diff --git a/lib/PayPro.js b/lib/PayPro.js
index fbcf291..2588e6d 100644
--- a/lib/PayPro.js
+++ b/lib/PayPro.js
@@ -80,6 +80,9 @@ PayPro.prototype.x509Verify = function() {
     var ncert = chain[i + 1];
     // The root cert, check if it's trusted:
     if (!ncert || name) {
+      if (!ncert && !name) {
+        return false;
+      }
       chain.length = 0;
       return true;
     }
diff --git a/lib/browser/PayPro.js b/lib/browser/PayPro.js
index fe5d565..fc4af87 100644
--- a/lib/browser/PayPro.js
+++ b/lib/browser/PayPro.js
@@ -90,6 +90,9 @@ PayPro.prototype.x509Verify = function(key) {
     var ncert = chain[i + 1];
     // The root cert, check if it's trusted:
     if (!ncert || name) {
+      if (!ncert && !name) {
+        return false;
+      }
       chain.length = 0;
       return true;
     }