1 files changed, 2 insertions, 0 deletions

diff --git a/src/regex.c b/src/regex.c
index bd8c80f2b41..9e7145d2f63 100644
--- a/src/regex.c
+++ b/src/regex.c
@@ -4272,8 +4272,10 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
               }
             else if ((re_opcode_t) *p2 == charset)
               {
+#ifdef DEBUG
                 register unsigned char c
                   = *p2 == (unsigned char) endline ? '\n' : p2[2];
+#endif
 
                 if ((re_opcode_t) p1[3] == exactn
                     && ! (p2[1] * BYTEWIDTH > p1[4]