diff --git a/Examples/test-suite/keyword_rename.i b/Examples/test-suite/keyword_rename.i
index 3a878ae80..1703285f0 100644
--- a/Examples/test-suite/keyword_rename.i
+++ b/Examples/test-suite/keyword_rename.i
@@ -35,9 +35,11 @@ KW(chan, fallthrough)
 KW(end, function)
 KW(nil,local)
 
+#ifdef __cplusplus
 struct Keywords {
   void selfkw(int self) {}
 };
+#endif /* __cplusplus */
 
 %}