diff --git a/htdocs/commande/tpl/linkedobjectblock.tpl.php b/htdocs/commande/tpl/linkedobjectblock.tpl.php
index 1e71ff6d5c6..65e6716dc54 100644
--- a/htdocs/commande/tpl/linkedobjectblock.tpl.php
+++ b/htdocs/commande/tpl/linkedobjectblock.tpl.php
@@ -21,7 +21,8 @@
 
 <!-- BEGIN PHP TEMPLATE -->
 
-<?php 
+<?php
+$langs->load("orders");
 if ($somethingshown) { echo '<br>'; }
 print_titre($langs->trans('RelatedOrders'));
 ?>
@@ -32,7 +33,7 @@ print_titre($langs->trans('RelatedOrders'));
 	<td align="right"><?php echo $langs->trans("AmountHTShort"); ?></td>
 	<td align="right"><?php echo $langs->trans("Status"); ?></td>
 </tr>
-<?php 
+<?php
 $var=true;
 for ($i = 0 ; $i < $num ; $i++)
 {
diff --git a/htdocs/compta/facture/tpl/linkedobjectblock.tpl.php b/htdocs/compta/facture/tpl/linkedobjectblock.tpl.php
index 90aeeda8ae0..eeb6650d941 100644
--- a/htdocs/compta/facture/tpl/linkedobjectblock.tpl.php
+++ b/htdocs/compta/facture/tpl/linkedobjectblock.tpl.php
@@ -21,7 +21,8 @@
 
 <!-- BEGIN PHP TEMPLATE -->
 
-<?php 
+<?php
+$langs->load("bills");
 if ($somethingshown) { echo '<br>'; }
 if ($num > 1) print_titre($langs->trans("RelatedBills"));
 else print_titre($langs->trans("RelatedBill"));
@@ -33,7 +34,7 @@ else print_titre($langs->trans("RelatedBill"));
 	<td align="right"><?php echo $langs->trans("AmountHTShort"); ?></td>
 	<td align="right"><?php echo $langs->trans("Status"); ?></td>
 </tr>
-<?php 
+<?php
 $var=true;
 for ($i = 0 ; $i < $num ; $i++)
 {
@@ -49,7 +50,7 @@ for ($i = 0 ; $i < $num ; $i++)
 <?php
 $total = $total + $linkedObjectBlock->total_ht;
 $i++;
-} 
+}
 ?>
 <tr class="liste_total">
 	<td align="left" colspan="2"><?php echo $langs->trans("TotalHT"); ?></td>
diff --git a/htdocs/contrat/tpl/linkedobjectblock.tpl.php b/htdocs/contrat/tpl/linkedobjectblock.tpl.php
index 30cdf91d194..6ad5a77773e 100644
--- a/htdocs/contrat/tpl/linkedobjectblock.tpl.php
+++ b/htdocs/contrat/tpl/linkedobjectblock.tpl.php
@@ -21,9 +21,10 @@
 
 <!-- BEGIN PHP TEMPLATE -->
 
-<?php 
+<?php
+$langs->load("contracts");
 if ($somethingshown) { echo '<br>'; }
-print_titre($langs->trans('RelatedContract'));
+print_titre($langs->trans('RelatedContracts'));
 ?>
 <table class="noborder" width="100%">
 <tr class="liste_titre">
@@ -32,7 +33,7 @@ print_titre($langs->trans('RelatedContract'));
 	<td align="right"><?php echo $langs->trans("AmountHTShort"); ?></td>
 	<td align="right"><?php echo $langs->trans("Status"); ?></td>
 </tr>
-<?php 
+<?php
 $var=true;
 for ($i = 0 ; $i < $num ; $i++)
 {
diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index c34945cc0e3..07df75e5d58 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -1099,9 +1099,9 @@ class CommonObject
 		$num = sizeof($objectid);
 		if ($num)
 		{
-			// TODO uniformiser emplacement classe
 			$classpath = $object.'/class';
 			$tplpath = $object;
+			// TODO uniformiser emplacement classe
 			if ($object == 'facture') $tplpath = 'compta/'.$object; $classpath = $tplpath.'/class';
 			if ($object == 'propal') $tplpath = 'comm/'.$object; $classpath = $tplpath.'/class';
 
diff --git a/htdocs/langs/en_US/bills.lang b/htdocs/langs/en_US/bills.lang
index 30e073d1fd1..0f34099dec8 100644
--- a/htdocs/langs/en_US/bills.lang
+++ b/htdocs/langs/en_US/bills.lang
@@ -273,6 +273,8 @@ ConfirmSplitDiscount=Are you sure you want to split this discount of <b>%s</b> %
 TypeAmountOfEachNewDiscount=Input amount for each of two parts :
 TotalOfTwoDiscountMustEqualsOriginal=Total of two new discount must be equal to original discount amount. 
 ConfirmRemoveDiscount=Are you sure you want to remove this discount ?
+RelatedBill=Related invoice
+RelatedBills=Related invoices
 
 # PaymentConditions
 PaymentConditionShortRECEP=Immediate
diff --git a/htdocs/langs/en_US/contracts.lang b/htdocs/langs/en_US/contracts.lang
index 2676f720bc0..ab98cf80133 100644
--- a/htdocs/langs/en_US/contracts.lang
+++ b/htdocs/langs/en_US/contracts.lang
@@ -84,6 +84,7 @@ ConfirmMoveToAnotherContract=I choosed new target contract and confirm I want to
 ConfirmMoveToAnotherContractQuestion=Choose in which existing contract (of same third party), you want to move this service to ?
 PaymentRenewContractId=Renew contract line (number %s)
 ExpiredSince=Expiration date
+RelatedContracts=Related contracts
 ##### Types de contacts #####
 TypeContact_contrat_internal_SALESREPSIGN=Sales representative signing contract
 TypeContact_contrat_internal_SALESREPFOLL=Sales representative following-up contract
diff --git a/htdocs/langs/en_US/propal.lang b/htdocs/langs/en_US/propal.lang
index 71db48571c7..3c03c14c469 100644
--- a/htdocs/langs/en_US/propal.lang
+++ b/htdocs/langs/en_US/propal.lang
@@ -67,8 +67,6 @@ ValidityDuration=Validity duration
 CloseAs=Close with status
 ClassifyBilled=Classify billed
 BuildBill=Build invoice
-RelatedBill=Related invoice
-RelatedBills=Related invoices
 ErrorPropalNotFound=Propal %s not found
 Estimate=Estimate :
 EstimateShort=Estimate
diff --git a/htdocs/langs/fr_FR/bills.lang b/htdocs/langs/fr_FR/bills.lang
index 01e2225a879..05924aa1890 100644
--- a/htdocs/langs/fr_FR/bills.lang
+++ b/htdocs/langs/fr_FR/bills.lang
@@ -270,6 +270,8 @@ ConfirmSplitDiscount=Êtes-vous sûr de vouloir scinder la réduction de <b>%s</
 TypeAmountOfEachNewDiscount=Saisissez le montant de chacune des deux parts :
 TotalOfTwoDiscountMustEqualsOriginal=La somme du montant des 2 nouvelles réductions doit être équivalente au montant de la réduction à scinder.
 ConfirmRemoveDiscount=Êtes-vous sûr de vouloir supprimer cette réduction ?
+RelatedBill=Facture associée
+RelatedBills=Factures associées
 
 # PaymentConditions
 PaymentConditionShortRECEP=A réception
diff --git a/htdocs/langs/fr_FR/contracts.lang b/htdocs/langs/fr_FR/contracts.lang
index 09857f76377..8b314539b17 100644
--- a/htdocs/langs/fr_FR/contracts.lang
+++ b/htdocs/langs/fr_FR/contracts.lang
@@ -84,6 +84,7 @@ ConfirmMoveToAnotherContract=J'ai choisi le contrat cible et confirme le déplac
 ConfirmMoveToAnotherContractQuestion=Choisissez vers quel autre contrat de ce même tiers, vous voulez déplacer ce service ?
 PaymentRenewContractId=Renouvellement service (numéro %s)
 ExpiredSince=Expiration le
+RelatedContracts=Contrats associés
 ##### Types de contacts #####
 TypeContact_contrat_internal_SALESREPSIGN=Commercial signataire du contrat
 TypeContact_contrat_internal_SALESREPFOLL=Commercial suivi du contrat
diff --git a/htdocs/langs/fr_FR/propal.lang b/htdocs/langs/fr_FR/propal.lang
index 35056695b12..b2881ed8fcf 100644
--- a/htdocs/langs/fr_FR/propal.lang
+++ b/htdocs/langs/fr_FR/propal.lang
@@ -67,8 +67,6 @@ ValidityDuration=Durée de validité
 CloseAs=Clôturer au statut
 ClassifyBilled=Classer facturée
 BuildBill=Créer facture
-RelatedBill=Facture associée
-RelatedBills=Factures associées
 ErrorPropalNotFound=Propale %s inexistante
 Estimate=Devis :
 EstimateShort=Devis