diff --git a/app/code/community/TBT/Enhancedgrid/Block/Catalog/Product/Grid.php b/app/code/community/TBT/Enhancedgrid/Block/Catalog/Product/Grid.php
index 71f1423..5fb3419 100644
--- a/app/code/community/TBT/Enhancedgrid/Block/Catalog/Product/Grid.php
+++ b/app/code/community/TBT/Enhancedgrid/Block/Catalog/Product/Grid.php
@@ -304,7 +304,7 @@ protected function _prepareColumns()
                 ));
         }
 
-        $imgWidth = Mage::getStoreConfig('enhancedgrid/images/width') + 'px';
+        $imgWidth = Mage::getStoreConfig('enhancedgrid/images/width');
 
         if ($this->colIsVisible('thumbnail')) {
             $this->addColumn('thumbnail',