diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index 631b912..71b58c6 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -977,6 +977,7 @@
 	case 4:
 		ret += tcrypt_test("ecb(des3_ede)");
 		ret += tcrypt_test("cbc(des3_ede)");
+		ret += tcrypt_test("ctr(des3_ede)");
 		break;
 
 	case 5: