diff --git a/lib/validatable.js b/lib/validatable.js
index f1469f06..3f45db48 100644
--- a/lib/validatable.js
+++ b/lib/validatable.js
@@ -133,7 +133,7 @@ Validatable.prototype.isValid = function (callback) {
             asyncFail = asyncFail || fail;
             if (--wait === 0 && callback) {
                 validationsDone.call(inst, function () {
-                    callback(!asyncFail);
+                    callback(valid && !asyncFail);
                 });
             }
         }