diff --git a/compiler/backend/src/org/jetbrains/jet/codegen/binding/CodegenAnnotatingVisitor.java b/compiler/backend/src/org/jetbrains/jet/codegen/binding/CodegenAnnotatingVisitor.java
index 268d023908a..2a28cd17032 100644
--- a/compiler/backend/src/org/jetbrains/jet/codegen/binding/CodegenAnnotatingVisitor.java
+++ b/compiler/backend/src/org/jetbrains/jet/codegen/binding/CodegenAnnotatingVisitor.java
@@ -180,7 +180,12 @@ class CodegenAnnotatingVisitor extends JetVisitorVoid {
         assert descriptor != null :
                 String.format("No descriptor for enum entry \n---\n%s\n---\n", JetPsiUtil.getElementTextWithContext(enumEntry));
 
-        if (!enumEntry.getDeclarations().isEmpty()) {
+        if (enumEntry.getDeclarations().isEmpty()) {
+            for (JetDelegationSpecifier specifier : enumEntry.getDelegationSpecifiers()) {
+                specifier.accept(this);
+            }
+        }
+        else {
             bindingTrace.record(ENUM_ENTRY_CLASS_NEED_SUBCLASS, descriptor);
             super.visitEnumEntry(enumEntry);
         }
diff --git a/compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt b/compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt
new file mode 100644
index 00000000000..3c7d4c2465a
--- /dev/null
+++ b/compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt
@@ -0,0 +1,19 @@
+// KT-4423 Enum with function not compiled
+
+enum class Sign(val str: String, val func: (x: Int, y: Int) -> Int){
+    plus: Sign("+", { x, y -> x + y })
+
+    mult: Sign("*", { x, y -> x * y }) {
+        override fun toString() = "${func(4,5)}"
+    }
+}
+
+fun box(): String {
+    val sum = Sign.plus.func(2, 3)
+    if (sum != 5) return "Fail 1: $sum"
+
+    val product = Sign.mult.toString()
+    if (product != "20") return "Fail 2: $product"
+
+    return "OK"
+}
diff --git a/compiler/tests/org/jetbrains/jet/codegen/generated/BlackBoxCodegenTestGenerated.java b/compiler/tests/org/jetbrains/jet/codegen/generated/BlackBoxCodegenTestGenerated.java
index 16bb47a4cf9..809efaf623d 100644
--- a/compiler/tests/org/jetbrains/jet/codegen/generated/BlackBoxCodegenTestGenerated.java
+++ b/compiler/tests/org/jetbrains/jet/codegen/generated/BlackBoxCodegenTestGenerated.java
@@ -2649,6 +2649,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             doTest(fileName);
         }
         
+        @TestMetadata("enumWithLambdaParameter.kt")
+        public void testEnumWithLambdaParameter() throws Exception {
+            String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/box/enum/enumWithLambdaParameter.kt");
+            doTest(fileName);
+        }
+        
         @TestMetadata("inPackage.kt")
         public void testInPackage() throws Exception {
             String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/box/enum/inPackage.kt");