diff --git a/src/x509.c b/src/x509.c
index ec8b9c60d..f9fc3853a 100644
--- a/src/x509.c
+++ b/src/x509.c
@@ -6482,7 +6482,7 @@ static int X509PrintSignature_ex(WOLFSSL_BIO* bio, byte* sig,
                     break;
                 }
             }
-            if (valLen >= (int)sizeof(tmp) - tmpLen - 1) {
+            if (valLen >= ((int)sizeof(tmp) - tmpLen - 1)) {
                 ret = WOLFSSL_FAILURE;
                 break;
             }