diff --git a/Examples/test-suite/union_scope.i b/Examples/test-suite/union_scope.i
index 67093eff6..b7307cb29 100644
--- a/Examples/test-suite/union_scope.i
+++ b/Examples/test-suite/union_scope.i
@@ -2,6 +2,7 @@
 
 %warnfilter(SWIGWARN_RUBY_WRONG_NAME) nRState;		// Ruby, wrong class name
 %warnfilter(SWIGWARN_RUBY_WRONG_NAME) nRState_rstate;	// Ruby, wrong class name
+#pragma SWIG nowarn=SWIGWARN_PARSE_UNNAMED_NESTED_CLASS
 
 %inline %{
 class nRState {