diff --git a/compiler/backend/src/org/jetbrains/jet/codegen/JvmDeclarationOrigin.kt b/compiler/backend/src/org/jetbrains/jet/codegen/JvmDeclarationOrigin.kt
index 31b685ce4aa..d9fe0853474 100644
--- a/compiler/backend/src/org/jetbrains/jet/codegen/JvmDeclarationOrigin.kt
+++ b/compiler/backend/src/org/jetbrains/jet/codegen/JvmDeclarationOrigin.kt
@@ -20,6 +20,8 @@ import com.intellij.psi.PsiElement
 import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor
 import org.jetbrains.jet.lang.descriptors.PackageFragmentDescriptor
 import org.jetbrains.jet.lang.psi.JetFile
+import org.jetbrains.jet.lang.descriptors.ClassDescriptor
+import org.jetbrains.jet.lang.psi.JetClassOrObject
 
 public enum class MemberKind { FIELD; METHOD }
 
@@ -27,6 +29,7 @@ public enum class JvmDeclarationOriginKind {
     OTHER
     PACKAGE_FACADE
     PACKAGE_PART
+    TRAIT_IMPL
 }
 
 public class JvmDeclarationOrigin(
@@ -51,3 +54,5 @@ public fun OtherOrigin(descriptor: DeclarationDescriptor?): JvmDeclarationOrigin
 public fun PackageFacade(descriptor: PackageFragmentDescriptor): JvmDeclarationOrigin = JvmDeclarationOrigin(JvmDeclarationOriginKind.PACKAGE_FACADE, null, descriptor)
 public fun PackagePart(file: JetFile, descriptor: PackageFragmentDescriptor): JvmDeclarationOrigin = JvmDeclarationOrigin(JvmDeclarationOriginKind.PACKAGE_PART, file, descriptor)
 
+public fun TraitImpl(element: JetClassOrObject, descriptor: ClassDescriptor): JvmDeclarationOrigin = JvmDeclarationOrigin(JvmDeclarationOriginKind.TRAIT_IMPL, element, descriptor)
+
diff --git a/compiler/backend/src/org/jetbrains/jet/codegen/MemberCodegen.java b/compiler/backend/src/org/jetbrains/jet/codegen/MemberCodegen.java
index 49bb9c978c5..fe61ea30e68 100644
--- a/compiler/backend/src/org/jetbrains/jet/codegen/MemberCodegen.java
+++ b/compiler/backend/src/org/jetbrains/jet/codegen/MemberCodegen.java
@@ -51,6 +51,7 @@ import java.util.List;
 import static org.jetbrains.jet.codegen.AsmUtil.boxType;
 import static org.jetbrains.jet.codegen.AsmUtil.isPrimitive;
 import static org.jetbrains.jet.codegen.CodegenPackage.OtherOrigin;
+import static org.jetbrains.jet.codegen.CodegenPackage.TraitImpl;
 import static org.jetbrains.jet.codegen.JvmDeclarationOrigin.NO_ORIGIN;
 import static org.jetbrains.jet.lang.descriptors.CallableMemberDescriptor.Kind.SYNTHESIZED;
 import static org.jetbrains.jet.lang.resolve.BindingContext.VARIABLE;
@@ -170,7 +171,7 @@ public abstract class MemberCodegen<T extends JetElement/* TODO: & JetDeclaratio
 
         if (aClass instanceof JetClass && ((JetClass) aClass).isTrait()) {
             Type traitImplType = state.getTypeMapper().mapTraitImpl(descriptor);
-            ClassBuilder traitImplBuilder = state.getFactory().newVisitor(OtherOrigin(aClass, descriptor), traitImplType, aClass.getContainingFile());
+            ClassBuilder traitImplBuilder = state.getFactory().newVisitor(TraitImpl(aClass, descriptor), traitImplType, aClass.getContainingFile());
             ClassContext traitImplContext = parentContext.intoClass(descriptor, OwnerKind.TRAIT_IMPL, state);
             new TraitImplBodyCodegen(aClass, traitImplContext, traitImplBuilder, state, parentCodegen).generate();
         }