diff --git a/htdocs/lib/security.lib.php b/htdocs/lib/security.lib.php
index 22b44a7f13b..6a423e150c4 100644
--- a/htdocs/lib/security.lib.php
+++ b/htdocs/lib/security.lib.php
@@ -204,6 +204,9 @@ function dol_loginfunction($langs,$conf,$mysoc)
 		}
 	}
 	$main_home=nl2br($conf->global->MAIN_HOME);
+	
+	// Google AD
+	$main_google_ad_client = (!empty($conf->global->MAIN_GOOGLE_AD_CLIENT)?1:0);
 
 	$dol_loginmesg = $_SESSION["dol_loginmesg"];