1 files changed, 1 insertions, 0 deletions

diff --git a/string.c b/string.c
index e687fcc53..119852044 100644
--- a/string.c
+++ b/string.c
@@ -912,6 +912,7 @@ rb_str_rindex(str, sub, pos)
 	    }
 	    s--;
 	}
+	return -1;
     }
     else {
 	return pos;