1 files changed, 3 insertions, 2 deletions

diff --git a/src/search.c b/src/search.c
index ce4d1828585..9aa49af665f 100644
--- a/src/search.c
+++ b/src/search.c
@@ -1481,13 +1481,14 @@ simple_search (n, pat, len, len_byte, trt, pos, pos_byte, lim, lim_byte)
           {
             /* Try matching at position POS.  */
             int this_pos = pos - len;
-            int this_pos_byte = CHAR_TO_BYTE (this_pos);
+            int this_pos_byte;
             int this_len = len;
             int this_len_byte = len_byte;
             unsigned char *p = pat;
 
-            if (this_pos < lim || this_pos_byte < lim_byte)
+            if (this_pos < lim || (pos_byte - len_byte) < lim_byte)
               goto stop;
+            this_pos_byte = CHAR_TO_BYTE (this_pos);
             match_byte = pos_byte - this_pos_byte;
 
             while (this_len > 0)