diff --git a/runtime/TypeWrapper.cs b/runtime/TypeWrapper.cs
index 6989890f..9189a2be 100644
--- a/runtime/TypeWrapper.cs
+++ b/runtime/TypeWrapper.cs
@@ -6177,7 +6177,7 @@ namespace IKVM.Internal
 									setNameSig = true;
 								}
 							}
-							bool needMethodImpl = baseMce != null && (explicitOverride || baseMce.RealName != name) && !needFinalize;
+							bool needMethodImpl = baseMce != null && (setNameSig || explicitOverride || baseMce.RealName != name) && !needFinalize;
 							if(unloadableOverrideStub || needMethodImpl)
 							{
 								attribs |= MethodAttributes.NewSlot;