diff --git a/lib/ntlm/ntlm.c b/lib/ntlm/ntlm.c
index 1a02a5e65..ea150da93 100644
--- a/lib/ntlm/ntlm.c
+++ b/lib/ntlm/ntlm.c
@@ -1006,21 +1006,21 @@ heim_ntlm_decode_type3(const struct ntlm_buf *buf,
     CHECK(type, 3);
     CHECK(ret_sec_buffer(in, &lm), 0);
     if (lm.allocated)
-	min_offset = MIN(min_offset, lm.offset);
+	min_offset = min(min_offset, lm.offset);
     CHECK(ret_sec_buffer(in, &ntlm), 0);
     if (ntlm.allocated)
-	min_offset = MIN(min_offset, ntlm.offset);
+	min_offset = min(min_offset, ntlm.offset);
     CHECK(ret_sec_buffer(in, &target), 0);
-    min_offset = MIN(min_offset, target.offset);
+    min_offset = min(min_offset, target.offset);
     CHECK(ret_sec_buffer(in, &username), 0);
-    min_offset = MIN(min_offset, username.offset);
+    min_offset = min(min_offset, username.offset);
     CHECK(ret_sec_buffer(in, &ws), 0);
     if (ws.allocated)
-	min_offset = MIN(min_offset, ws.offset);
+	min_offset = min(min_offset, ws.offset);
 
     if (min_offset >= 52) {
 	CHECK(ret_sec_buffer(in, &sessionkey), 0);
-	min_offset = MIN(min_offset, sessionkey.offset);
+	min_offset = min(min_offset, sessionkey.offset);
 	CHECK(krb5_ret_uint32(in, &type3->flags), 0);
     }
     if (min_offset >= 52 + SIZE_SEC_BUFFER + 4 + SIZE_OS_VERSION) {