diff --git a/connector/c/include/tarantool/tnt_reply.h b/connector/c/include/tarantool/tnt_reply.h
index e210dc0ef40e8497398c0aa8f2652370b92e25f5..d3af969b8eeb81427cfbe15166983e23f8801c6d 100644
--- a/connector/c/include/tarantool/tnt_reply.h
+++ b/connector/c/include/tarantool/tnt_reply.h
@@ -37,6 +37,7 @@ struct tnt_reply {
 	uint32_t count;
 };
 
+#define TNT_REPLY_ERR(R)  ((R)->code >> 8)
 #define TNT_REPLY_LIST(R) (&(R)->tuples)
 
 void tnt_reply_init(struct tnt_reply *r);