diff --git a/Plugins/Flow.Launcher.Plugin.Url/Main.cs b/Plugins/Flow.Launcher.Plugin.Url/Main.cs
index 943095cf8..f6d5e3fcf 100644
--- a/Plugins/Flow.Launcher.Plugin.Url/Main.cs
+++ b/Plugins/Flow.Launcher.Plugin.Url/Main.cs
@@ -115,7 +115,9 @@ namespace Flow.Launcher.Plugin.Url
 
         public bool IsURL(string raw)
         {
-            if (UrlRegex.Match(raw.ToLower()).Value == raw) return true;
+            raw = raw.ToLower();
+
+            if (UrlRegex.Match(raw).Value == raw) return true;
 
             return false;
         }