1 files changed, 1 insertions, 1 deletions
diff --git a/debug.c b/debug.c
index 3b4b76e381..b5f280508e 100644
--- a/debug.c
+++ b/debug.c
@@ -32,7 +32,7 @@ static const union {
         RUBY_ENC_CODERANGE_VALID   = ENC_CODERANGE_VALID,
         RUBY_ENC_CODERANGE_BROKEN  = ENC_CODERANGE_BROKEN,
         RUBY_FL_MARK        = FL_MARK,
-        RUBY_FL_RESERVED    = FL_RESERVED,
+        RUBY_FL_REMENBERED_SET     = FL_REMEMBERED_SET,
         RUBY_FL_FINALIZE    = FL_FINALIZE,
         RUBY_FL_TAINT       = FL_TAINT,
         RUBY_FL_UNTRUSTED   = FL_UNTRUSTED,