diff --git a/htdocs/install/upgrade2.php b/htdocs/install/upgrade2.php
index 3448e3a196c..e17b5a4d556 100644
--- a/htdocs/install/upgrade2.php
+++ b/htdocs/install/upgrade2.php
@@ -329,12 +329,17 @@ if (! GETPOST("action") || preg_match('/upgrade/i',GETPOST('action')))
         if (versioncompare($versiontoarray,$afterversionarray) >= 0 && versioncompare($versiontoarray,$beforeversionarray) <= 0)
         {
         	migrate_categorie_association($db,$langs,$conf);
+        }
 
-        	// Reload modules
-        	migrate_reload_modules($db,$langs,$conf);
-
-        	// Reload menus
-        	migrate_reload_menu($db,$langs,$conf,$versionto);
+        $afterversionarray=explode('.','3.3.9');
+        $beforeversionarray=explode('.','3.4.9');
+        if (versioncompare($versiontoarray,$afterversionarray) >= 0 && versioncompare($versiontoarray,$beforeversionarray) <= 0)
+        {
+        	// Reload modules (this must be always and only into last targeted version)
+        	migrate_reload_modules($db,$langs,$conf);
+
+        	// Reload menus (this must be always and only into last targeted version)
+        	migrate_reload_menu($db,$langs,$conf,$versionto);
         }
 
         print '<tr><td colspan="4"><br>'.$langs->trans("MigrationFinished").'</td></tr>';