diff --git a/go/types.cc b/go/types.cc
index a8e3090..eb3afd9 100644
--- a/go/types.cc
+++ b/go/types.cc
@@ -11891,7 +11891,7 @@
         need_stub = true;
       if (!in_heap && !m->is_value_method())
         need_stub = true;
-      if (!need_stub)
+      if (!need_stub || m->is_ambiguous())
         continue;
 
       Type* receiver_type = const_cast<Type*>(type);