diff --git a/etc/adminhtml/system.xml b/etc/adminhtml/system.xml
index 5a4d184..d294f57 100644
--- a/etc/adminhtml/system.xml
+++ b/etc/adminhtml/system.xml
@@ -20,6 +20,7 @@
 				<field id="delay" translate="label comment" type="text" sortOrder="2" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
 					<label>Delay (ms)</label>
 					<comment><![CDATA[Delay value for scroll down. default: 600]]></comment>
+					<validate>required-entry validate-digits validate-zero-or-greater</validate>
 				</field>
 				<field id="content" translate="label comment" type="text" sortOrder="3" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
 					<label>Content</label>
@@ -54,6 +55,7 @@
 				<field id="load_more" translate="label comment" type="text" sortOrder="70" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
 					<label>Load More threshold</label>  
 					<comment><![CDATA[When this page number is reached, a button to load more products will be shown instead of continue loading products automatically with the scroll (this could be useful to help the user to reach the footer). TIP: use a high number to disable this feature.]]></comment>
+					<validate>required-entry validate-digits</validate>
 				</field>
 				<field id="load_more_text" translate="label comment" type="text" sortOrder="80" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
 					<label>Load More button text</label>  
diff --git a/etc/config.xml b/etc/config.xml
index a05ec4f..1b27beb 100644
--- a/etc/config.xml
+++ b/etc/config.xml
@@ -13,7 +13,7 @@
                 <loading_image/>
                 <loading_text><![CDATA[<em>Loading - please wait...</em>]]></loading_text>
                 <done_text><![CDATA[<em>You've reached the end of the item.</em>]]></done_text>
-                 <load_more>3</load_more>
+                <load_more>-1</load_more>
                 <load_more_text>Load more</load_more_text>
             </general>
         </magepow_infinitescroll>
diff --git a/view/frontend/templates/infinitescroll.phtml b/view/frontend/templates/infinitescroll.phtml
index f7a3f18..420cc99 100644
--- a/view/frontend/templates/infinitescroll.phtml
+++ b/view/frontend/templates/infinitescroll.phtml
@@ -50,7 +50,7 @@ if ($loadingImage) {
                 html: '<div class="ias-trigger ias-trigger-next"><button class="load-more"><?= $loadMoreText ?></button></div>',
                 textPrev: "<?= $loadMoreText ?>",
                 htmlPrev: '<div class="ias-trigger ias-trigger-prev"><button class="load-more"><?= $loadMoreText ?></button></div>',
-                offset: "<?= $loadMore ?>",
+                offset: <?php echo ($loadMore > 0) ? $loadMore: 'false'  ?>,
             }));
             window.ias.on('rendered', function (items) {
                 $('body').trigger('contentUpdated');