diff --git a/crypto/modes/gcm128.c b/crypto/modes/gcm128.c
index 025c7f889..f8dd497f8 100644
--- a/crypto/modes/gcm128.c
+++ b/crypto/modes/gcm128.c
@@ -1401,7 +1401,7 @@ int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx,const unsigned char *tag,
 	void (*gcm_gmult_p)(u64 Xi[2],const u128 Htable[16])	= ctx->gmult;
 #endif
 
-	if (ctx->mres)
+	if (ctx->mres || ctx->ares)
 		GCM_MUL(ctx,Xi);
 
 	if (is_endian.little) {