diff --git a/gis_pipelines.php b/gis_pipelines.php
index 6f4056e..66d19b9 100755
--- a/gis_pipelines.php
+++ b/gis_pipelines.php
@@ -39,7 +39,7 @@ function gis_insert_head($flux) {
 
 	// insertion des scripts pour google si nécessaire
 	if (count(array_intersect(array('google_roadmap', 'google_satellite', 'google_terrain'), $config['layers'])) > 0) {
-		$flux .="\n".'<script type="text/javascript" src="//maps.google.com/maps/api/js?language='.$GLOBALS['spip_lang'].'&amp;key='.$config['api_key_google'].'"></script>';
+		$flux .="\n".'<script type="text/javascript" src="//maps.google.com/maps/api/js?language='.$GLOBALS['spip_lang'].'&amp;key='.(isset($config['api_key_google']) ? $config['api_key_google'] : '').'"></script>';
 	}
 
 	return $flux;
diff --git a/paquet.xml b/paquet.xml
index 8682b8e..210030b 100644
--- a/paquet.xml
+++ b/paquet.xml
@@ -1,7 +1,7 @@
 <paquet
 	prefix="gis"
 	categorie="divers"
-	version="4.41.2"
+	version="4.41.3"
 	schema="2.1.0"
 	etat="stable"
 	compatibilite="[3.0.0;3.1.*]"