diff --git a/src/Illuminate/Validation/Validator.php b/src/Illuminate/Validation/Validator.php
index 9fbe01d4ec99..ad898a0b7428 100755
--- a/src/Illuminate/Validation/Validator.php
+++ b/src/Illuminate/Validation/Validator.php
@@ -2397,6 +2397,20 @@ protected function replaceInArray($message, $attribute, $rule, $parameters)
         return str_replace(':other', $this->getAttribute($parameters[0]), $message);
     }
 
+    /**
+     * Replace all place-holders for the mimetypes rule.
+     *
+     * @param  string  $message
+     * @param  string  $attribute
+     * @param  string  $rule
+     * @param  array   $parameters
+     * @return string
+     */
+    protected function replaceMimetypes($message, $attribute, $rule, $parameters)
+    {
+        return str_replace(':values', implode(', ', $parameters), $message);
+    }
+
     /**
      * Replace all place-holders for the mimes rule.
      *