1 files changed, 3 insertions, 1 deletions
diff --git a/re.c b/re.c
index d4e2bade70..a955852d23 100644
--- a/re.c
+++ b/re.c
@@ -968,7 +968,9 @@ rb_reg_match_m(re, str)
     VALUE result = rb_reg_match(re, str);
 
     if (NIL_P(result)) return Qnil;
-    return rb_backref_get();
+    result = rb_backref_get();
+    rb_match_busy(result);
+    return result;
 }
 
 static VALUE