diff --git a/plugins/system/core/helix3.php b/plugins/system/core/helix3.php
index b2d0887..4a6a820 100644
--- a/plugins/system/core/helix3.php
+++ b/plugins/system/core/helix3.php
@@ -419,7 +419,7 @@ public static function generatelayout()
 
 					if (isset($column->settings->sm_col) && $column->settings->sm_col)
 					{
-						$column->className = preg_replace('/col-sm-\d/', $column->settings->sm_col, $column->className);
+						$column->className = preg_replace('/col-sm-\d*/', $column->settings->sm_col, $column->className);
 					}
 
 					if (isset($column->settings->hidden_md) && $column->settings->hidden_md)