1 files changed, 2 insertions, 1 deletions
diff --git a/op.h b/op.h
index 8c1bffbc0e..c299c5d40f 100644
--- a/op.h
+++ b/op.h
@@ -542,8 +542,9 @@ struct loop {
 #define PERL_LOADMOD_NOIMPORT		0x2
 #define PERL_LOADMOD_IMPORT_OPS		0x4
 
-/* used in perly.y */
+#if defined(PERL_IN_PERLY_C) || defined(PERL_IN_OP_C)
 #define ref(o, type) doref(o, type, TRUE)
+#endif
 
 /* no longer used anywhere in core */
 #ifndef PERL_CORE