diff --git a/Flow.Launcher.Plugin/ThemeData.cs b/Flow.Launcher.Plugin/ThemeData.cs
index d4a69ef09..6cbd0fe74 100644
--- a/Flow.Launcher.Plugin/ThemeData.cs
+++ b/Flow.Launcher.Plugin/ThemeData.cs
@@ -1,4 +1,6 @@
-namespace Flow.Launcher.Plugin;
+using System;
+
+namespace Flow.Launcher.Plugin;
 
 /// <summary>
 /// Theme data model
@@ -60,7 +62,7 @@ public class ThemeData
     /// <inheritdoc />
     public override int GetHashCode()
     {
-        return Name?.GetHashCode() ?? 0;
+        return HashCode.Combine(FileNameWithoutExtension, Name);
     }
 
     /// <inheritdoc />