diff --git a/src/de/inetsoftware/jwebassembly/module/WasmCodeBuilder.java b/src/de/inetsoftware/jwebassembly/module/WasmCodeBuilder.java
index e1998e1..853d1a6 100644
--- a/src/de/inetsoftware/jwebassembly/module/WasmCodeBuilder.java
+++ b/src/de/inetsoftware/jwebassembly/module/WasmCodeBuilder.java
@@ -874,7 +874,6 @@ public abstract class WasmCodeBuilder {
         StructType interfaceType = (StructType)parser.next();
         StructType type = types.lambdaType( typeName, interfaceType, name, interfaceMethodName );
         addStructInstruction( StructOperator.NEW_DEFAULT, typeName, null, javaCodePos, lineNumber );
-        throw new WasmException( "InvokeDynamic/Lambda is not supported.", lineNumber );
     }
 
     /**
diff --git a/test/de/inetsoftware/jwebassembly/runtime/RuntimeErrors.java b/test/de/inetsoftware/jwebassembly/runtime/RuntimeErrors.java
index 4274f9b..e341e77 100644
--- a/test/de/inetsoftware/jwebassembly/runtime/RuntimeErrors.java
+++ b/test/de/inetsoftware/jwebassembly/runtime/RuntimeErrors.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.
@@ -19,9 +19,7 @@ import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
 import java.io.IOException;
-import java.util.ArrayList;
 import java.util.Collection;
-import java.util.List;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -97,19 +95,4 @@ public class RuntimeErrors {
         @Export
         native static float function();
     }
-
-    @Test
-    public void lambdas() throws IOException {
-        compileErrorTest( "InvokeDynamic/Lambda is not supported.", LambdaMethod.class );
-    }
-
-    static class LambdaMethod {
-        private static int counter;
-
-        @Export
-        static void runnable() {
-            Runnable run = () -> counter++;
-            run.run();
-        }
-    }
 }
diff --git a/test/de/inetsoftware/jwebassembly/runtime/StructsNonGC.java b/test/de/inetsoftware/jwebassembly/runtime/StructsNonGC.java
index 6b2b261..893f6d0 100644
--- a/test/de/inetsoftware/jwebassembly/runtime/StructsNonGC.java
+++ b/test/de/inetsoftware/jwebassembly/runtime/StructsNonGC.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018 - 2020 Volker Berlin (i-net software)
+ * Copyright 2018 - 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.
@@ -19,6 +19,8 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.function.IntSupplier;
+import java.util.function.IntUnaryOperator;
 
 import org.junit.ClassRule;
 import org.junit.runners.Parameterized.Parameters;
@@ -66,6 +68,9 @@ public class StructsNonGC extends AbstractBaseTest {
             addParam( list, script, "intClassName" );
             addParam( list, script, "getComponentType" );
             addParam( list, script, "branchWithObjectResult" );
+            addParam( list, script, "callParameterFromCondition" );
+            addParam( list, script, "lambda0" );
+            addParam( list, script, "lambda1" );
         }
         rule.setTestParameters( list );
         return list;
@@ -243,6 +248,18 @@ public class StructsNonGC extends AbstractBaseTest {
             Abc abc = new Abc();
             return abc.add( 42, abc == null ? 7 : 13 );
         }
+
+        @Export
+        static int lambda0() {
+            IntSupplier val = () -> 42;
+            return val.getAsInt();
+        }
+
+        @Export
+        static int lambda1() {
+            IntUnaryOperator val = (x) -> x;
+            return val.applyAsInt( 13 );
+        }
     }
 
     interface TestDefault {