diff --git a/inc/suggestions.inc b/inc/suggestions.inc
index e8bbdf0..4537f89 100644
--- a/inc/suggestions.inc
+++ b/inc/suggestions.inc
@@ -35,7 +35,7 @@ function material_admin_theme_suggestions_input_alter(&$suggestions, array $vari
 }
 
 function material_admin_theme_suggestions_form_element_alter(array &$suggestions, array $variables, $hook) {
-  if ( $variables['element']['#type'] === 'select') {
+  if (isset($variables['element']['#type']) && $variables['element']['#type'] === 'select') {
     $suggestions[] = $hook . '__select';
   }
 }