diff --git a/modules/data.eval.inc b/modules/data.eval.inc
old mode 100644
new mode 100755
index 341f0d3..d2504aa
--- a/modules/data.eval.inc
+++ b/modules/data.eval.inc
@@ -356,7 +356,7 @@ function rules_condition_data_list_contains($list, $item, $settings, $state) {
     }
     return FALSE;
   }
-  return in_array($item, $list);
+  return empty($list) ? FALSE : in_array($item, $list);
 }
 
 /**