diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index 28a45a1..c3c9124 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -53,7 +53,7 @@
 	"cast6", "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
 	"khazad", "wp512", "wp384", "wp256", "tnepres", "xeta",  "fcrypt",
 	"camellia", "seed", "salsa20", "rmd128", "rmd160", "rmd256", "rmd320",
-	"lzo", "cts", NULL
+	"lzo", "cts", "zlib", NULL
 };
 
 static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc,
@@ -661,6 +661,10 @@
 		tcrypt_test("ecb(seed)");
 		break;
 
+	case 44:
+		tcrypt_test("zlib");
+		break;
+
 	case 100:
 		tcrypt_test("hmac(md5)");
 		break;