diff --git a/openerp/addons/base/ir/ir_qweb.py b/openerp/addons/base/ir/ir_qweb.py
index 1d487be020f..bfd34615a1d 100644
--- a/openerp/addons/base/ir/ir_qweb.py
+++ b/openerp/addons/base/ir/ir_qweb.py
@@ -1151,7 +1151,7 @@ class JavascriptAsset(WebAsset):
             return '<script type="text/javascript" charset="utf-8">%s</script>' % self.source
 
     def _missingAsset(self, module):
-        self.source="console.log('Missing JS source : %s')" % self.url
+        self.source = "console.error('Missing javascript asset: %s');" % self.url
         self.url = None
         self.last_modified = datetime.datetime.now()