diff --git a/src/de/inetsoftware/jwebassembly/module/LocaleVariableManager.java b/src/de/inetsoftware/jwebassembly/module/LocaleVariableManager.java
index 6baa305..83e3ad5 100644
--- a/src/de/inetsoftware/jwebassembly/module/LocaleVariableManager.java
+++ b/src/de/inetsoftware/jwebassembly/module/LocaleVariableManager.java
@@ -30,7 +30,6 @@ import de.inetsoftware.classparser.LocalVariableTable;
 import de.inetsoftware.classparser.MethodInfo;
 import de.inetsoftware.jwebassembly.WasmException;
 import de.inetsoftware.jwebassembly.wasm.AnyType;
-import de.inetsoftware.jwebassembly.wasm.ValueType;
 import de.inetsoftware.jwebassembly.wasm.ValueTypeParser;
 
 /**
@@ -163,7 +162,7 @@ class LocaleVariableManager {
         if( (maxLocals > 0 || variableTable == null) && size == 0 && (method != null || signature != null )) {
             Iterator<AnyType> parser = signature == null ? new ValueTypeParser( method.getType(), types ) : signature;
             if( method != null && !method.isStatic() ) {
-                resetAddVar( ValueType.externref, size );
+                resetAddVar( types.valueOf( method.getClassName() ), size );
             }
             while( true ) {
                 AnyType type = parser.next();