diff --git a/src/de/inetsoftware/jwebassembly/binary/BinaryModuleWriter.java b/src/de/inetsoftware/jwebassembly/binary/BinaryModuleWriter.java
index 9f2615b..865275f 100644
--- a/src/de/inetsoftware/jwebassembly/binary/BinaryModuleWriter.java
+++ b/src/de/inetsoftware/jwebassembly/binary/BinaryModuleWriter.java
@@ -1445,8 +1445,8 @@ public class BinaryModuleWriter extends ModuleWriter implements InstructionOpcod
                 break;
             case CAST:
                 codeStream.writeOpCode( REF_CAST );
-                codeStream.writeValueType( options.types.valueOf( "java/lang/Object" ) );
-                codeStream.writeValueType( type );
+//                codeStream.writeValueType( options.types.valueOf( "java/lang/Object" ) );
+//                codeStream.writeValueType( type );
                 return;
             default:
                 throw new Error( "Unknown operator: " + op );
diff --git a/src/de/inetsoftware/jwebassembly/text/TextModuleWriter.java b/src/de/inetsoftware/jwebassembly/text/TextModuleWriter.java
index 75c6f7e..b677868 100644
--- a/src/de/inetsoftware/jwebassembly/text/TextModuleWriter.java
+++ b/src/de/inetsoftware/jwebassembly/text/TextModuleWriter.java
@@ -954,7 +954,8 @@ public class TextModuleWriter extends ModuleWriter {
                 operation = "struct.new_with_rtt";
                 break;
             case CAST:
-                operation = "ref.cast $java/lang/Object";
+                operation = "ref.cast";
+                type = null;
                 break;
             default:
                 throw new Error( "Unknown operator: " + op );