diff --git a/drivers/crypto/nx/nx-sha256.c b/drivers/crypto/nx/nx-sha256.c
index 6547a7104bf6..da0b24a7633f 100644
--- a/drivers/crypto/nx/nx-sha256.c
+++ b/drivers/crypto/nx/nx-sha256.c
@@ -129,7 +129,7 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data,
 		NX_CPB_FDM(csbcpb) |= NX_FDM_CONTINUATION;
 
 		total -= to_process;
-		data += to_process;
+		data += to_process - sctx->count;
 		sctx->count = 0;
 		in_sg = nx_ctx->in_sg;
 	} while (leftover >= SHA256_BLOCK_SIZE);
diff --git a/drivers/crypto/nx/nx-sha512.c b/drivers/crypto/nx/nx-sha512.c
index 236e6afeab10..4ae5b0f221d5 100644
--- a/drivers/crypto/nx/nx-sha512.c
+++ b/drivers/crypto/nx/nx-sha512.c
@@ -131,7 +131,7 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data,
 		NX_CPB_FDM(csbcpb) |= NX_FDM_CONTINUATION;
 
 		total -= to_process;
-		data += to_process;
+		data += to_process - sctx->count[0];
 		sctx->count[0] = 0;
 		in_sg = nx_ctx->in_sg;
 	} while (leftover >= SHA512_BLOCK_SIZE);