diff --git a/core/components/mapstv/elements/snippets/JSONtoChunk.snippet.php b/core/components/mapstv/elements/snippets/JSONtoChunk.snippet.php
index f949f83..f3cd987 100644
--- a/core/components/mapstv/elements/snippets/JSONtoChunk.snippet.php
+++ b/core/components/mapstv/elements/snippets/JSONtoChunk.snippet.php
@@ -10,10 +10,10 @@
  */
 $output = $input;
 $array = $modx->fromJSON($input);
-if (count($array) > 0) {
+if ($array && count($array) > 0) {
     $chunk = $modx->getObject('modChunk', array('name' => $options));
     if ($chunk) {
         $output = $chunk->process($array);
     }
 }
-return $output;
\ No newline at end of file
+return $output;