diff --git a/src/utils/tune/TuneParser.ts b/src/utils/tune/TuneParser.ts
index 4cd6a98..7dfdd67 100644
--- a/src/utils/tune/TuneParser.ts
+++ b/src/utils/tune/TuneParser.ts
@@ -86,7 +86,7 @@ class TuneParser {
   }
 
   private isSignatureSupported(): boolean {
-    return this.tune.details.signature.match(/^speeduino \d+$/) === null;
+    return this.tune.details.signature.match(/^(speeduino|rusEFI) .+$/) === null;
   }
 }