1 files changed, 1 insertions, 1 deletions
diff --git a/gc.h b/gc.h
index 750d87819b..6568079c54 100644
--- a/gc.h
+++ b/gc.h
@@ -59,7 +59,7 @@ rb_gc_debug_body(const char *mode, const char *msg, int st, void *ptr)
 #define RUBY_GC_INFO if(0)printf
 #endif
 
-#define RUBY_MARK_NO_PIN_UNLESS_NULL(ptr) do { \
+#define RUBY_MARK_MOVABLE_UNLESS_NULL(ptr) do { \
     VALUE markobj = (ptr); \
     if (RTEST(markobj)) {rb_gc_mark_movable(markobj);} \
 } while (0)