diff --git a/src/de/inetsoftware/jwebassembly/module/JavaMethodWasmCodeBuilder.java b/src/de/inetsoftware/jwebassembly/module/JavaMethodWasmCodeBuilder.java
index f22f4fa..c82f2ce 100644
--- a/src/de/inetsoftware/jwebassembly/module/JavaMethodWasmCodeBuilder.java
+++ b/src/de/inetsoftware/jwebassembly/module/JavaMethodWasmCodeBuilder.java
@@ -671,7 +671,7 @@ class JavaMethodWasmCodeBuilder extends WasmCodeBuilder {
                         break;
                     case 189: // anewarray
                         name = ((ConstantClass)constantPool.get( byteCode.readUnsignedShort() )).getName();
-                        type = ValueType.externref; //TODO we need to use the right type from name; getTypeManager().valueOf( name );
+                        type = getTypeManager().valueOf( name );
                         addArrayInstruction( ArrayOperator.NEW, type, codePos, lineNumber );
                         break;
                     case 190: // arraylength
diff --git a/src/de/inetsoftware/jwebassembly/module/WasmArrayInstruction.java b/src/de/inetsoftware/jwebassembly/module/WasmArrayInstruction.java
index 4e01011..c5eaac7 100644
--- a/src/de/inetsoftware/jwebassembly/module/WasmArrayInstruction.java
+++ b/src/de/inetsoftware/jwebassembly/module/WasmArrayInstruction.java
@@ -23,6 +23,7 @@ import javax.annotation.Nullable;
 
 import de.inetsoftware.jwebassembly.WasmException;
 import de.inetsoftware.jwebassembly.javascript.JavaScriptSyntheticFunctionName;
+import de.inetsoftware.jwebassembly.module.TypeManager.StructType;
 import de.inetsoftware.jwebassembly.wasm.AnyType;
 import de.inetsoftware.jwebassembly.wasm.ArrayOperator;
 import de.inetsoftware.jwebassembly.wasm.ArrayType;
@@ -136,7 +137,10 @@ class WasmArrayInstruction extends WasmInstruction {
      * @return the identifier that is valid
      */
     private static String validJsName( AnyType type ) {
-        return type.isRefType() ? "obj" : type.toString();
+        if( type.isRefType() ) {
+            return ((StructType)type).getName().replace( '[', '_' ).replace( '/', '_' ).replace( '.', '_' ).replace( ";", "" );
+        }
+        return type.toString();
     }
 
     /**
diff --git a/src/de/inetsoftware/jwebassembly/wasm/ArrayType.java b/src/de/inetsoftware/jwebassembly/wasm/ArrayType.java
index 70b8c12..4fdeaa4 100644
--- a/src/de/inetsoftware/jwebassembly/wasm/ArrayType.java
+++ b/src/de/inetsoftware/jwebassembly/wasm/ArrayType.java
@@ -78,7 +78,10 @@ public class ArrayType extends StructType {
                     throw new WasmException( "Not supported array type: " + arrayType, -1 );
             }
         }
-        return "[" + ((StructType)arrayType).getName();
+        if( arrayType instanceof ArrayType ) {
+            return "[" + getJavaClassName( ((ArrayType)arrayType).arrayType );
+        }
+        return "[L" + ((StructType)arrayType).getName() + ";";
     }
 
     /**
diff --git a/test/de/inetsoftware/jwebassembly/runtime/ArrayOperations.java b/test/de/inetsoftware/jwebassembly/runtime/ArrayOperations.java
index b4461da..d93c066 100644
--- a/test/de/inetsoftware/jwebassembly/runtime/ArrayOperations.java
+++ b/test/de/inetsoftware/jwebassembly/runtime/ArrayOperations.java
@@ -70,6 +70,8 @@ public class ArrayOperations extends AbstractBaseTest {
             addParam( list, script, "doubleArrayClassName" );
             addParam( list, script, "booleanArrayClassName" );
             addParam( list, script, "objectArrayClassName" );
+            addParam( list, script, "stringArrayClassName" );
+            addParam( list, script, "stringMatrixClassName" );
             addParam( list, script, "byteArrayComponentTypeClassName" );
             addParam( list, script, "shortArrayComponentTypeClassName" );
             addParam( list, script, "charArrayComponentTypeClassName" );
@@ -262,6 +264,16 @@ public class ArrayOperations extends AbstractBaseTest {
             return JSObject.domString( new Object[0].getClass().getName() );
         }
 
+        @Export
+        static String stringArrayClassName() {
+            return JSObject.domString( new String[0].getClass().getName() );
+        }
+
+        @Export
+        static String stringMatrixClassName() {
+            return JSObject.domString( new String[0][].getClass().getName() );
+        }
+        
         @Export
         static String byteArrayComponentTypeClassName() {
             return JSObject.domString( new byte[0].getClass().getComponentType().getName() );