diff --git a/e107_handlers/js_manager.php b/e107_handlers/js_manager.php
index 989a1b5c8..6daee89e2 100644
--- a/e107_handlers/js_manager.php
+++ b/e107_handlers/js_manager.php
@@ -1597,7 +1597,7 @@ class e_jsmanager
 
 		foreach($match[1] as $k=>$v)
 		{
-			if(substr($v,5) == 'data:' || substr($v,4) == 'http')
+			if(strpos($v,'data:') === 0 || strpos($v,'http') === 0)
 			{
 				unset($match[0][$k]);
 				continue;