diff --git a/crypto/skcipher.c b/crypto/skcipher.c
index 7d6a49fe3047c29690636e1c74dc3e7a947f7ea7..4f6b8dadacebcfe0e25cda78c7be840e8be43903 100644
--- a/crypto/skcipher.c
+++ b/crypto/skcipher.c
@@ -398,7 +398,7 @@ static int skcipher_copy_iv(struct skcipher_walk *walk)
 	unsigned size;
 	u8 *iv;
 
-	aligned_bs = ALIGN(bs, alignmask);
+	aligned_bs = ALIGN(bs, alignmask + 1);
 
 	/* Minimum size to align buffer by alignmask. */
 	size = alignmask & ~a;