diff --git a/htdocs/core/class/commondocgenerator.class.php b/htdocs/core/class/commondocgenerator.class.php
index 1bd051d4b55..54dfb294975 100644
--- a/htdocs/core/class/commondocgenerator.class.php
+++ b/htdocs/core/class/commondocgenerator.class.php
@@ -536,14 +536,16 @@ abstract class CommonDocGenerator
 	 *
 	 *	@param  Object			$line				Object line
 	 *	@param  Translate		$outputlangs        Lang object to use for output
+	 *  @param  int				$linenumber			The number of the line for the substitution of "object_line_pos"
 	 *  @return	array								Return a substitution array
 	 */
-	public function get_substitutionarray_lines($line, $outputlangs)
+	public function get_substitutionarray_lines($line, $outputlangs, $linenumber = 0)
 	{
         // phpcs:enable
 		global $conf;
 
 		$resarray = array(
+			'line_pos' => $linenumber,
 			'line_fulldesc'=>doc_getlinedesc($line, $outputlangs),
 			'line_product_ref'=>$line->product_ref,
 			'line_product_ref_fourn'=>$line->ref_fourn, // for supplier doc lines
diff --git a/htdocs/core/modules/bom/doc/doc_generic_bom_odt.modules.php b/htdocs/core/modules/bom/doc/doc_generic_bom_odt.modules.php
index 6e23160baf6..9755369793e 100644
--- a/htdocs/core/modules/bom/doc/doc_generic_bom_odt.modules.php
+++ b/htdocs/core/modules/bom/doc/doc_generic_bom_odt.modules.php
@@ -411,9 +411,11 @@ class doc_generic_bom_odt extends ModelePDFBom
 					}
 					if ($foundtagforlines)
 					{
+						$linenumber = 0;
 						foreach ($object->lines as $line)
 						{
-							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs);
+							$linenumber++;
+							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs, $linenumber);
 							complete_substitutions_array($tmparray, $outputlangs, $object, $line, "completesubstitutionarray_lines");
 							// Call the ODTSubstitutionLine hook
 							$parameters = array('odfHandler'=>&$odfHandler, 'file'=>$file, 'object'=>$object, 'outputlangs'=>$outputlangs, 'substitutionarray'=>&$tmparray, 'line'=>$line);
diff --git a/htdocs/core/modules/commande/doc/doc_generic_order_odt.modules.php b/htdocs/core/modules/commande/doc/doc_generic_order_odt.modules.php
index 4694cdaf6ee..75c5103c4ab 100644
--- a/htdocs/core/modules/commande/doc/doc_generic_order_odt.modules.php
+++ b/htdocs/core/modules/commande/doc/doc_generic_order_odt.modules.php
@@ -427,9 +427,11 @@ class doc_generic_order_odt extends ModelePDFCommandes
 					}
 					if ($foundtagforlines)
 					{
+						$linenumber = 0;
 						foreach ($object->lines as $line)
 						{
-							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs);
+							$linenumber++;
+							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs, $linenumber);
 							complete_substitutions_array($tmparray, $outputlangs, $object, $line, "completesubstitutionarray_lines");
 							// Call the ODTSubstitutionLine hook
 							$parameters = array('odfHandler'=>&$odfHandler, 'file'=>$file, 'object'=>$object, 'outputlangs'=>$outputlangs, 'substitutionarray'=>&$tmparray, 'line'=>$line);
diff --git a/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php b/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php
index 190abd86126..c938f40cfb2 100644
--- a/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php
+++ b/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php
@@ -408,9 +408,11 @@ class doc_generic_contract_odt extends ModelePDFContract
 					}
 					if ($foundtagforlines)
 					{
+						$linenumber = 0;
 						foreach ($object->lines as $line)
 						{
-							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs);
+							$linenumber++;
+							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs, $linenumber);
 							complete_substitutions_array($tmparray, $outputlangs, $object, $line, "completesubstitutionarray_lines");
 							// Call the ODTSubstitutionLine hook
 							$parameters = array('odfHandler'=>&$odfHandler, 'file'=>$file, 'object'=>$object, 'outputlangs'=>$outputlangs, 'substitutionarray'=>&$tmparray, 'line'=>$line);
diff --git a/htdocs/core/modules/facture/doc/doc_generic_invoice_odt.modules.php b/htdocs/core/modules/facture/doc/doc_generic_invoice_odt.modules.php
index 01070a6a6c7..acbebd54da8 100644
--- a/htdocs/core/modules/facture/doc/doc_generic_invoice_odt.modules.php
+++ b/htdocs/core/modules/facture/doc/doc_generic_invoice_odt.modules.php
@@ -435,9 +435,11 @@ class doc_generic_invoice_odt extends ModelePDFFactures
 					}
 					if ($foundtagforlines)
 					{
+						$linenumber = 0;
 						foreach ($object->lines as $line)
 						{
-							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs);
+							$linenumber++;
+							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs, $linenumber);
 							complete_substitutions_array($tmparray, $outputlangs, $object, $line, "completesubstitutionarray_lines");
 							// Call the ODTSubstitutionLine hook
 							$parameters = array('odfHandler'=>&$odfHandler, 'file'=>$file, 'object'=>$object, 'outputlangs'=>$outputlangs, 'substitutionarray'=>&$tmparray, 'line'=>$line);
diff --git a/htdocs/core/modules/mrp/doc/doc_generic_mo_odt.modules.php b/htdocs/core/modules/mrp/doc/doc_generic_mo_odt.modules.php
index 398c8670a47..e276fe1f5f7 100644
--- a/htdocs/core/modules/mrp/doc/doc_generic_mo_odt.modules.php
+++ b/htdocs/core/modules/mrp/doc/doc_generic_mo_odt.modules.php
@@ -418,9 +418,11 @@ class doc_generic_mo_odt extends ModelePDFMo
 					}
 					if ($foundtagforlines)
 					{
+						$linenumber = 0;
 						foreach ($object->lines as $line)
 						{
-							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs);
+							$linenumber++;
+							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs, $linenumber);
 							complete_substitutions_array($tmparray, $outputlangs, $object, $line, "completesubstitutionarray_lines");
 							// Call the ODTSubstitutionLine hook
 							$parameters = array('odfHandler'=>&$odfHandler, 'file'=>$file, 'object'=>$object, 'outputlangs'=>$outputlangs, 'substitutionarray'=>&$tmparray, 'line'=>$line);
diff --git a/htdocs/core/modules/propale/doc/doc_generic_proposal_odt.modules.php b/htdocs/core/modules/propale/doc/doc_generic_proposal_odt.modules.php
index fde5f08d318..33850c5d882 100644
--- a/htdocs/core/modules/propale/doc/doc_generic_proposal_odt.modules.php
+++ b/htdocs/core/modules/propale/doc/doc_generic_proposal_odt.modules.php
@@ -456,9 +456,11 @@ class doc_generic_proposal_odt extends ModelePDFPropales
 					}
 					if ($foundtagforlines)
 					{
+						$linenumber = 0;
 						foreach ($object->lines as $line)
 						{
-							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs);
+							$linenumber++;
+							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs, $linenumber);
 							complete_substitutions_array($tmparray, $outputlangs, $object, $line, "completesubstitutionarray_lines");
 							// Call the ODTSubstitutionLine hook
 							$parameters = array('odfHandler'=>&$odfHandler, 'file'=>$file, 'object'=>$object, 'outputlangs'=>$outputlangs, 'substitutionarray'=>&$tmparray, 'line'=>$line);
diff --git a/htdocs/core/modules/supplier_order/doc/doc_generic_supplier_order_odt.modules.php b/htdocs/core/modules/supplier_order/doc/doc_generic_supplier_order_odt.modules.php
index c71fe8f59ec..d7f48915308 100644
--- a/htdocs/core/modules/supplier_order/doc/doc_generic_supplier_order_odt.modules.php
+++ b/htdocs/core/modules/supplier_order/doc/doc_generic_supplier_order_odt.modules.php
@@ -421,9 +421,11 @@ class doc_generic_supplier_order_odt extends ModelePDFSuppliersOrders
 					}
 					if ($foundtagforlines)
 					{
+						$linenumber = 0;
 						foreach ($object->lines as $line)
 						{
-							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs);
+							$linenumber++;
+							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs, $linenumber);
 							complete_substitutions_array($tmparray, $outputlangs, $object, $line, "completesubstitutionarray_lines");
 							// Call the ODTSubstitutionLine hook
 							$parameters = array('odfHandler'=>&$odfHandler, 'file'=>$file, 'object'=>$object, 'outputlangs'=>$outputlangs, 'substitutionarray'=>&$tmparray, 'line'=>$line);
diff --git a/htdocs/core/modules/supplier_proposal/doc/doc_generic_supplier_proposal_odt.modules.php b/htdocs/core/modules/supplier_proposal/doc/doc_generic_supplier_proposal_odt.modules.php
index 77503c4b61b..3b4a39288ea 100644
--- a/htdocs/core/modules/supplier_proposal/doc/doc_generic_supplier_proposal_odt.modules.php
+++ b/htdocs/core/modules/supplier_proposal/doc/doc_generic_supplier_proposal_odt.modules.php
@@ -445,9 +445,11 @@ class doc_generic_supplier_proposal_odt extends ModelePDFSupplierProposal
 					}
 					if ($foundtagforlines)
 					{
+						$linenumber = 0;
 						foreach ($object->lines as $line)
 						{
-							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs);
+							$linenumber++;
+							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs, $linenumber);
 							complete_substitutions_array($tmparray, $outputlangs, $object, $line, "completesubstitutionarray_lines");
 							// Call the ODTSubstitutionLine hook
 							$parameters = array('odfHandler'=>&$odfHandler, 'file'=>$file, 'object'=>$object, 'outputlangs'=>$outputlangs, 'substitutionarray'=>&$tmparray, 'line'=>$line);
diff --git a/htdocs/modulebuilder/template/core/modules/mymodule/doc/doc_generic_myobject_odt.modules.php b/htdocs/modulebuilder/template/core/modules/mymodule/doc/doc_generic_myobject_odt.modules.php
index df2c61ab7f5..22be3dee4ed 100644
--- a/htdocs/modulebuilder/template/core/modules/mymodule/doc/doc_generic_myobject_odt.modules.php
+++ b/htdocs/modulebuilder/template/core/modules/mymodule/doc/doc_generic_myobject_odt.modules.php
@@ -422,9 +422,11 @@ class doc_generic_myobject_odt extends ModelePDFMyObject
 					}
 					if ($foundtagforlines)
 					{
+						$linenumber = 0;
 						foreach ($object->lines as $line)
 						{
-							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs);
+							$linenumber++;
+							$tmparray = $this->get_substitutionarray_lines($line, $outputlangs, $linenumber);
 							complete_substitutions_array($tmparray, $outputlangs, $object, $line, "completesubstitutionarray_lines");
 							// Call the ODTSubstitutionLine hook
 							$parameters = array('odfHandler'=>&$odfHandler, 'file'=>$file, 'object'=>$object, 'outputlangs'=>$outputlangs, 'substitutionarray'=>&$tmparray, 'line'=>$line);