diff --git a/includes/admin/core/class-admin-forms.php b/includes/admin/core/class-admin-forms.php
index 533520ea..8d3e5bb5 100644
--- a/includes/admin/core/class-admin-forms.php
+++ b/includes/admin/core/class-admin-forms.php
@@ -1247,7 +1247,9 @@ if ( ! class_exists( 'um\admin\core\Admin_Forms' ) ) {
 			$name_attr = ' name="' . $name . '" ';
 
 			$values = $this->get_field_value( $field_data );
-			$filters = array_keys( $values );
+			if( is_array( $values ) ) {
+				$filters = array_keys( $values );
+			}
 
 			$options = '';
 			foreach ( $field_data['options'] as $key => $option ) {