diff --git a/picture.php b/picture.php
index e394ddf96..a791ea959 100644
--- a/picture.php
+++ b/picture.php
@@ -908,7 +908,7 @@ if ( count($tags) )
 // related categories
 if ( count($related_categories)==1 and
     isset($page['category']) and
-    $related_categories[0]['category_id']==$page['category']['id'] )
+    $related_categories[0]['id']==$page['category']['id'] )
 { // no need to go to db, we have all the info
   $template->append(
       'related_categories',
diff --git a/themes/default/template/picture.tpl b/themes/default/template/picture.tpl
index 7e4c95dce..d393f5b89 100644
--- a/themes/default/template/picture.tpl
+++ b/themes/default/template/picture.tpl
@@ -135,13 +135,13 @@ y.callService(
 	<div class="navThumbs">
 		{if isset($previous)}
 			<a class="navThumb" id="linkPrev" href="{$previous.U_IMG}" title="{'Previous'|@translate} : {$previous.TITLE}" rel="prev">
-				<span class="thumbHover prevThumbHover">&nbsp;</span>
+				<span class="thumbHover prevThumbHover"></span>
 				<img src="{$previous.derivatives.square->get_url()}" alt="{$previous.TITLE}">
 			</a>
 		{/if}
 		{if isset($next)}
 			<a class="navThumb" id="linkNext" href="{$next.U_IMG}" title="{'Next'|@translate} : {$next.TITLE}" rel="next">
-				<span class="thumbHover nextThumbHover">&nbsp;</span>
+				<span class="thumbHover nextThumbHover"></span>
 				<img src="{$next.derivatives.square->get_url()}" alt="{$next.TITLE}">
 			</a>
 		{/if}