diff --git a/src/FuzeWorks/Forms/Fields/RadioField.php b/src/FuzeWorks/Forms/Fields/RadioField.php
index 4d3f58d..33b5946 100644
--- a/src/FuzeWorks/Forms/Fields/RadioField.php
+++ b/src/FuzeWorks/Forms/Fields/RadioField.php
@@ -75,6 +75,9 @@ class RadioField extends Field
      */
     public function addOptions(array $options): self
     {
+        if (!$this->_isAssoc($options))
+            throw new InputException("Could not add options. Options must be provided as an associative array [name => label]");
+
         foreach ($options as $key => $val)
             $this->addOption($key, $val);
 
@@ -134,4 +137,16 @@ class RadioField extends Field
         $out .= "</div>";
         return $out;
     }
+
+    /**
+     * Internal method for addOptions()
+     *
+     * @param array $arr
+     * @return bool
+     */
+    private function _isAssoc(array $arr): bool
+    {
+        if (array() === $arr) return false;
+        return array_keys($arr) !== range(0, count($arr) - 1);
+    }
 }
\ No newline at end of file