diff --git a/test/de/inetsoftware/jwebassembly/ScriptEngine.java b/test/de/inetsoftware/jwebassembly/ScriptEngine.java
index c3b6632..b145762 100644
--- a/test/de/inetsoftware/jwebassembly/ScriptEngine.java
+++ b/test/de/inetsoftware/jwebassembly/ScriptEngine.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 - 2020 Volker Berlin (i-net software)
+ * Copyright 2017 - 2021 Volker Berlin (i-net software)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -31,6 +31,7 @@ public enum ScriptEngine {
     SpiderMonkeyGC(true),
     NodeWatGC(true),
     SpiderMonkeyWatGC(true),
+    Wat2WasmGC(true),
     ;
 
     public final String useGC;
diff --git a/test/de/inetsoftware/jwebassembly/WasmRule.java b/test/de/inetsoftware/jwebassembly/WasmRule.java
index d3d82ba..dc1de10 100644
--- a/test/de/inetsoftware/jwebassembly/WasmRule.java
+++ b/test/de/inetsoftware/jwebassembly/WasmRule.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 - 2020 Volker Berlin (i-net software)
+ * Copyright 2017 - 2021 Volker Berlin (i-net software)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -157,6 +157,7 @@ public class WasmRule extends TemporaryFolder {
     public void before( ScriptEngine script ) throws Exception {
         switch( script ) {
             case Wat2Wasm:
+            case Wat2WasmGC:
                 // this is already part of execute and not only a compile
                 return;
             default:
@@ -540,6 +541,7 @@ public class WasmRule extends TemporaryFolder {
                 processBuilder.environment().put( "NODE_PATH", getNodeModulePath() );
                 return processBuilder;
             case Wat2Wasm:
+            case Wat2WasmGC:
                 return nodeJsCommand( prepareWat2Wasm( script ) );
             default:
                 throw new IllegalStateException( script.toString() );
diff --git a/test/de/inetsoftware/jwebassembly/Wat2Wasm.java b/test/de/inetsoftware/jwebassembly/Wat2Wasm.java
index 114fa97..599139e 100644
--- a/test/de/inetsoftware/jwebassembly/Wat2Wasm.java
+++ b/test/de/inetsoftware/jwebassembly/Wat2Wasm.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 Volker Berlin (i-net software)
+ * Copyright 2019 - 2021 Volker Berlin (i-net software)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -108,7 +108,7 @@ class Wat2Wasm {
                     searchExecuteable( file );
                 } else {
                     String name = file.getName();
-                    if( name.equals( "wat2wasm" ) || name.equals( "wat2wasm.exe" ) ) {
+                    if( name.equals( "wat2wasm" ) || name.equals( "wat2wasm.exe" ) || name.equals( "wat2wasm.bat" ) ) {
                         command = file.getAbsolutePath();
                     }
                 }