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-rw-r--r--src/src/dkim.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/src/dkim.c b/src/src/dkim.c
index 519deabcf..2857e6398 100644
--- a/src/src/dkim.c
+++ b/src/src/dkim.c
@@ -48,7 +48,7 @@ for (rr = dns_next_rr(&dnsa, &dnss, RESET_ANSWERS);
uschar len = rr->data[rr_offset++];
snprintf(answer + answer_offset,
PDKIM_DNS_TXT_MAX_RECLEN - answer_offset,
- "%.*s", (int)len, (char *) (rr->data + rr_offset));
+ "%.*s", (int)len, CS (rr->data + rr_offset));
rr_offset += len;
answer_offset += len;
if (answer_offset >= PDKIM_DNS_TXT_MAX_RECLEN)