diff --git a/htdocs/install/etape5.php b/htdocs/install/etape5.php
index 1fb4f45e80f..0ae7303bf38 100644
--- a/htdocs/install/etape5.php
+++ b/htdocs/install/etape5.php
@@ -237,7 +237,7 @@ if ($action == "set" || empty($action) || preg_match('/upgrade/i',$action))
                         dolibarr_install_syslog('install/etape5.php Activate module file='.$file);
                         $res=dol_include_once("/core/modules/".$file);
 
-                        $res=Activate($modtoactivatenew,1);
+                        $res=activateModule($modtoactivatenew,1);
                         if (! $result) print 'ERROR in activating module file='.$file;
                     }
                 }
@@ -421,4 +421,4 @@ clearstatcache();
 dolibarr_install_syslog("--- install/etape5.php Dolibarr setup finished", LOG_INFO);
 
 pFooter(1,$setuplang);
-?>
\ No newline at end of file
+?>