diff --git a/drivers/crypto/hisilicon/zip/zip_crypto.c b/drivers/crypto/hisilicon/zip/zip_crypto.c
index 9d31b80969f2a58b2f3f2144d1e2c002c35b8fd2..795428c1d07e34b74d4d9a7335ab94bd23fc6942 100644
--- a/drivers/crypto/hisilicon/zip/zip_crypto.c
+++ b/drivers/crypto/hisilicon/zip/zip_crypto.c
@@ -42,7 +42,7 @@ enum hisi_zip_alg_type {
 
 #define TO_HEAD(req_type)						\
 	(((req_type) == HZIP_ALG_TYPE_ZLIB) ? zlib_head :		\
-	 ((req_type) == HZIP_ALG_TYPE_GZIP) ? gzip_head : 0)		\
+	 ((req_type) == HZIP_ALG_TYPE_GZIP) ? gzip_head : NULL)		\
 
 struct hisi_zip_req {
 	struct acomp_req *req;