diff --git a/Flow.Launcher/Storage/TopMostRecord.cs b/Flow.Launcher/Storage/TopMostRecord.cs
index 50ce96ded..a088353f5 100644
--- a/Flow.Launcher/Storage/TopMostRecord.cs
+++ b/Flow.Launcher/Storage/TopMostRecord.cs
@@ -18,7 +18,7 @@ namespace Flow.Launcher.Storage
             }
 
             // since this dictionary should be very small (or empty) going over it should be pretty fast.
-            return records[result.OriginQuery.RawQuery].Equals(result);
+            return result.OriginQuery != null && records[result.OriginQuery.RawQuery].Equals(result);
         }
 
         internal void Remove(Result result)