diff --git a/install-dev/upgrade/php/move_translations_module_file.php b/install-dev/upgrade/php/move_translations_module_file.php
new file mode 100644
index 000000000..40ffb9687
--- /dev/null
+++ b/install-dev/upgrade/php/move_translations_module_file.php
@@ -0,0 +1,47 @@
+<?php
+
+/**
+ * Move all translation modules files 1.4 for a good architecture in 1.5
+ */
+function move_translations_module_file()
+{
+	$res = true;
+	// Get all languages
+	$languages = Db::getInstance()->executeS('
+		SELECT *
+		FROM `'._DB_PREFIX_.'lang`
+	');
+
+	// Get the list of modules
+	$modules = scandir(_PS_MODULE_DIR_);
+
+	// Scan all modules and check if translation file exists
+	foreach ($modules as $module_name)
+	{
+		// Check if is a good module
+		if (in_array($module_name, array('.', '..', '.svn', '.htaccess', 'index.php')))
+			continue;
+
+		foreach ($languages as $lang)
+		{
+			// Name for the old file and the new file
+			$old_file = _PS_MODULE_DIR_.$module_name.'/'.$lang['iso_code'].'.php';
+			if (!file_exists($old_file))
+				continue;
+
+			$dir_translations = _PS_MODULE_DIR_.$module_name.'/translations/';
+			$new_file = $dir_translations.$lang['iso_code'].'.php';
+
+			// Create folder if no exist
+			if (!is_dir($dir_translations))
+				$res &= mkdir($dir_translations, 0777);
+
+				if (!rename($old_file, $new_file))
+					$res &= false;
+		}
+	}
+	if ($res)
+		return true;
+	else
+		return array('error' => 1, 'msg' => 'An error has been encoutered for at least one module');
+}
diff --git a/install-dev/upgrade/sql/1.5.0.12.sql b/install-dev/upgrade/sql/1.5.0.12.sql
index af1f9b088..5a8583a9d 100644
--- a/install-dev/upgrade/sql/1.5.0.12.sql
+++ b/install-dev/upgrade/sql/1.5.0.12.sql
@@ -1,3 +1,4 @@
 SET NAMES 'utf8';
 
-/* PHP:moveTranslationsModuleFile(); */;
+/* PHP:move_translations_module_file(); */;
+