diff --git a/lib/mysql.js b/lib/mysql.js
index a026435..e796df7 100644
--- a/lib/mysql.js
+++ b/lib/mysql.js
@@ -213,11 +213,7 @@ MySQL.prototype.updateOrCreate = function (model, data, callback) {
     if (props[key] || mysql.id(model, key)) {
       var k = mysql.columnEscaped(model, key);
       var v;
-      if (!mysql.id(model, key)) {
-        v = mysql.toDatabase(props[key], data[key]);
-      } else {
-        v = data[key];
-      }
+      v = mysql.toDatabase(props[key], data[key]);
       if (v !== undefined) {
         fieldsNames.push(k);
         fieldValues.push(v);