1 files changed, 1 insertions, 1 deletions

diff --git a/src/search.c b/src/search.c
index ff9eefec917..7f006883270 100644
--- a/src/search.c
+++ b/src/search.c
@@ -215,7 +215,7 @@ matched by parenthesis constructs in the pattern.")
       CHECK_NUMBER (start, 2);
       s = XINT (start);
       if (s < 0 && -s <= len)
-        s = len - s;
+        s = len + s;
       else if (0 > s || s > len)
         args_out_of_range (string, start);
     }