1 files changed, 3 insertions, 2 deletions
diff --git a/commit.c b/commit.c
index 551de4903c..64e040a99b 100644
--- a/commit.c
+++ b/commit.c
@@ -1212,8 +1212,9 @@ int check_commit_signature(const struct commit *commit, struct signature_check *
 
 	if (parse_signed_commit(commit, &payload, &signature, the_hash_algo) <= 0)
 		goto out;
-	ret = check_signature(payload.buf, payload.len, signature.buf,
-		signature.len, sigc);
+
+	sigc->payload = strbuf_detach(&payload, &sigc->payload_len);
+	ret = check_signature(sigc, signature.buf, signature.len);
 
  out:
 	strbuf_release(&payload);