diff --git a/crypto/lrw.c b/crypto/lrw.c
index 358f80b..fca3246 100644
--- a/crypto/lrw.c
+++ b/crypto/lrw.c
@@ -220,6 +220,7 @@
 
 	if (crypto_cipher_blocksize(cipher) != 16) {
 		*flags |= CRYPTO_TFM_RES_BAD_BLOCK_LEN;
+		crypto_free_cipher(cipher);
 		return -EINVAL;
 	}