diff --git a/core/components/formit/elements/snippets/snippet.formitischecked.php b/core/components/formit/elements/snippets/snippet.formitischecked.php
index 8c42798c..7e0097f2 100644
--- a/core/components/formit/elements/snippets/snippet.formitischecked.php
+++ b/core/components/formit/elements/snippets/snippet.formitischecked.php
@@ -31,7 +31,7 @@
     $output = ' checked="checked"';
 }
 $input = $modx->fromJSON($input);
-if (in_array($options,$input)) {
+if (!empty($input) && is_array($input) && in_array($options,$input)) {
   $output = ' checked="checked"';
 }
 return $output;