diff --git a/modules/blockviewed/blockviewed.php b/modules/blockviewed/blockviewed.php
index c217292d7..950d2fbd4 100644
--- a/modules/blockviewed/blockviewed.php
+++ b/modules/blockviewed/blockviewed.php
@@ -81,7 +81,7 @@ class BlockViewed extends Module
 			<fieldset><legend><img src="'.$this->_path.'logo.gif" alt="" title="" />'.$this->l('Settings').'</legend>
 				<label>'.$this->l('Products displayed').'</label>
 				<div class="margin-form">
-					<input type="text" name="productNbr" value="'.Configuration::get('PRODUCTS_VIEWED_NBR').'" />
+					<input type="text" name="productNbr" value="'.(int)Configuration::get('PRODUCTS_VIEWED_NBR').'" />
 					<p class="clear">'.$this->l('Define the number of products displayed in this block').'</p>
 				</div>
 				<center><input type="submit" name="submitBlockViewed" value="'.$this->l('Save').'" class="button" /></center>