diff --git a/htdocs/core/modules/modBarcode.class.php b/htdocs/core/modules/modBarcode.class.php
index 92b237236cb..bbc16750dd6 100644
--- a/htdocs/core/modules/modBarcode.class.php
+++ b/htdocs/core/modules/modBarcode.class.php
@@ -114,7 +114,7 @@ class modBarcode extends DolibarrModules
 								'type'=>'left',			                // This is a Left menu entry
 								'titre'=>'MassBarcodeInit',
 								'url'=>'/barcode/codeinit.php?mainmenu=home&leftmenu=modulesadmintools',
-								'langs'=>'barcode',	        // Lang file to use (without .lang) by module. File must be in langs/code_CODE/ directory.
+								'langs'=>'products',	        // Lang file to use (without .lang) by module. File must be in langs/code_CODE/ directory.
 								'position'=>300,
 								'enabled'=>'$conf->barcode->enabled && $leftmenu=="modulesadmintools"',   // Define condition to show or hide menu entry. Use '$conf->mymodule->enabled' if entry must be visible if module is enabled. Use '$leftmenu==\'system\'' to show if leftmenu system is selected.
 								'perms'=>'1',			                // Use 'perms'=>'$user->rights->mymodule->level1->level2' if you want your menu with a permission rules
diff --git a/htdocs/core/modules/modProduct.class.php b/htdocs/core/modules/modProduct.class.php
index fed630a40a2..b9185624209 100644
--- a/htdocs/core/modules/modProduct.class.php
+++ b/htdocs/core/modules/modProduct.class.php
@@ -135,7 +135,7 @@ class modProduct extends DolibarrModules
 								'type'=>'left',			                // This is a Left menu entry
 								'titre'=>'ProductVatMassChange',
 								'url'=>'/product/admin/product_tools.php?mainmenu=home&leftmenu=modulesadmintools',
-								'langs'=>'admin',	        // Lang file to use (without .lang) by module. File must be in langs/code_CODE/ directory.
+								'langs'=>'products',	        // Lang file to use (without .lang) by module. File must be in langs/code_CODE/ directory.
 								'position'=>300,
 								'enabled'=>'$conf->product->enabled && $leftmenu=="modulesadmintools"',   // Define condition to show or hide menu entry. Use '$conf->mymodule->enabled' if entry must be visible if module is enabled. Use '$leftmenu==\'system\'' to show if leftmenu system is selected.
 								'perms'=>'1',			                // Use 'perms'=>'$user->rights->mymodule->level1->level2' if you want your menu with a permission rules
diff --git a/htdocs/core/modules/modService.class.php b/htdocs/core/modules/modService.class.php
index 780a32ad45c..695ff596e6e 100644
--- a/htdocs/core/modules/modService.class.php
+++ b/htdocs/core/modules/modService.class.php
@@ -120,7 +120,7 @@ class modService extends DolibarrModules
 								'type'=>'left',			                // This is a Left menu entry
 								'titre'=>'ProductVatMassChange',
 								'url'=>'/product/admin/product_tools.php?mainmenu=home&leftmenu=modulesadmintools',
-								'langs'=>'admin',	        // Lang file to use (without .lang) by module. File must be in langs/code_CODE/ directory.
+								'langs'=>'products',	        // Lang file to use (without .lang) by module. File must be in langs/code_CODE/ directory.
 								'position'=>300,
 								'enabled'=>'$conf->product->enabled && $leftmenu=="modulesadmintools"',   // Define condition to show or hide menu entry. Use '$conf->mymodule->enabled' if entry must be visible if module is enabled. Use '$leftmenu==\'system\'' to show if leftmenu system is selected.
 								'perms'=>'1',			                // Use 'perms'=>'$user->rights->mymodule->level1->level2' if you want your menu with a permission rules
diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index 6d00a3d89bc..a7bf4b21b18 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -345,10 +345,6 @@ SecurityTokenIsUnique=Use a unique securekey parameter for each URL
 EnterRefToBuildUrl=Enter reference for object %s
 GetSecuredUrl=Get calculated URL
 ButtonHideUnauthorized=Hide buttons for unauthorized actions instead of showing disabled buttons
-ProductVatMassChange=Mass VAT change
-ProductVatMassChangeDesc=This page can be used to modify a VAT rate defined on products or services from a value to another. Warning, this change is done on all database.
-MassBarcodeInit=Mass barcode init
-MassBarcodeInitDesc=This page can be used to initialize a barcode on objects that does not have barcode defined. Check before that setup of module barcode is complete.
 OldVATRates=Old VAT rate
 NewVATRates=New VAT rate
 PriceBaseTypeToChange=Modify on prices with base reference value defined on
diff --git a/htdocs/langs/en_US/products.lang b/htdocs/langs/en_US/products.lang
index abe1ee6ec3d..fa3144d0475 100644
--- a/htdocs/langs/en_US/products.lang
+++ b/htdocs/langs/en_US/products.lang
@@ -13,6 +13,10 @@ NewProduct=New product
 NewService=New service
 ProductCode=Product code
 ServiceCode=Service code
+ProductVatMassChange=Mass VAT change
+ProductVatMassChangeDesc=This page can be used to modify a VAT rate defined on products or services from a value to another. Warning, this change is done on all database.
+MassBarcodeInit=Mass barcode init
+MassBarcodeInitDesc=This page can be used to initialize a barcode on objects that does not have barcode defined. Check before that setup of module barcode is complete.
 ProductAccountancyBuyCode=Accountancy code (buy)
 ProductAccountancySellCode=Accountancy code (sell)
 ProductOrService=Product or Service