diff --git a/src/index.js b/src/index.js
index 44408d4..00e4ad3 100644
--- a/src/index.js
+++ b/src/index.js
@@ -377,7 +377,7 @@ class Validator {
 
             }
 
-            rsplit = rules[field].split('|');
+            rsplit = rules[field].toString().split('|');
 
             let rs;
 
diff --git a/test/crashes.js b/test/crashes.js
index af50bfa..5964988 100644
--- a/test/crashes.js
+++ b/test/crashes.js
@@ -7,7 +7,6 @@ let r = {};
 describe('crash', function () {
 
 
-
     it('passing clousers and hex', async () => {
 
         let v = new Validator({ name: function () { }, tape: 0x023 }, { name: 'required', tape: 'required|integer' });