diff --git a/src/de/inetsoftware/jwebassembly/module/ModuleGenerator.java b/src/de/inetsoftware/jwebassembly/module/ModuleGenerator.java
index 4e53909..bf863e3 100644
--- a/src/de/inetsoftware/jwebassembly/module/ModuleGenerator.java
+++ b/src/de/inetsoftware/jwebassembly/module/ModuleGenerator.java
@@ -42,6 +42,7 @@ import de.inetsoftware.jwebassembly.JWebAssembly;
 import de.inetsoftware.jwebassembly.WasmException;
 import de.inetsoftware.jwebassembly.javascript.JavaScriptWriter;
 import de.inetsoftware.jwebassembly.module.TypeManager.StructType;
+import de.inetsoftware.jwebassembly.module.nativecode.ReplacementForEnums;
 import de.inetsoftware.jwebassembly.wasm.AnyType;
 import de.inetsoftware.jwebassembly.wasm.FunctionType;
 import de.inetsoftware.jwebassembly.wasm.ValueType;
@@ -185,6 +186,20 @@ public class ModuleGenerator {
             }
         }
 
+        if( classFile.isEnum() ) {
+            //temporary Hack because the generated Enum.valueOf(String) use Reflection which currently is not supported
+            for( MethodInfo method : classFile.getMethods() ) {
+                if( "valueOf".equals( method.getName() ) && method.getType().startsWith( "(Ljava/lang/String;)" )  ) {
+                    FunctionName valueOf = new FunctionName( method );
+                    String replaceForEnums = ReplacementForEnums.class.getName().replace( ".", "/" );
+                    ClassFile file = classFileLoader.get( replaceForEnums );
+                    MethodInfo method2 = file.getMethod( "valueOf_", "(Ljava/lang/String;)L" + replaceForEnums + ";" );
+                    functions.addReplacement( valueOf, method2 );
+                    break;
+                }
+            }
+        }
+
         iterateMethods( classFile, m -> prepareMethod( m ) );
     }
 
diff --git a/src/de/inetsoftware/jwebassembly/module/nativecode/ReplacementForEnums.java b/src/de/inetsoftware/jwebassembly/module/nativecode/ReplacementForEnums.java
new file mode 100644
index 0000000..b2db65d
--- /dev/null
+++ b/src/de/inetsoftware/jwebassembly/module/nativecode/ReplacementForEnums.java
@@ -0,0 +1,56 @@
+/*
+   Copyright 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.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+*/
+package de.inetsoftware.jwebassembly.module.nativecode;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Replacement for java.lang.Enum
+ *
+ * @author Volker Berlin
+ */
+public enum ReplacementForEnums {
+    ;
+    private transient Map<String, ReplacementForEnums> enumConstantDirectory;
+
+    /**
+     * Replacement code for generated Enum.valueOf( String )
+     * @param name the enum name
+     * @return The singleton instance for the name
+     */
+    ReplacementForEnums valueOf_( String name ) {
+        Map<String, ReplacementForEnums> map = enumConstantDirectory;
+        if( map == null ) {
+            ReplacementForEnums[] universe = values();
+            map = new HashMap<>( 2 * universe.length );
+            for( ReplacementForEnums constant : universe ) {
+                map.put( constant.name(), constant );
+            }
+            enumConstantDirectory = map;
+        }
+
+        ReplacementForEnums result = map.get( name );
+        if( result != null ) {
+            return result;
+        }
+        if( name == null ) {
+            throw new NullPointerException( "Name is null" );
+        }
+        throw new IllegalArgumentException( "No enum constant " + getClass().getCanonicalName() + "." + name );
+    }
+}