diff --git a/libraries/fabrik/fabrik/Helpers/Html.php b/libraries/fabrik/fabrik/Helpers/Html.php
index cb343c31393..05f5612157c 100644
--- a/libraries/fabrik/fabrik/Helpers/Html.php
+++ b/libraries/fabrik/fabrik/Helpers/Html.php
@@ -3115,6 +3115,7 @@ public static function modalJLayouts()
 	public static function getGridSpan($size, $viewport = 'medium')
 	{
 	    static $spans;
+	    $size = (int)$size;
 
 	    if (!is_array($spans))
         {