diff --git a/views/search.twig b/views/search.twig
index 775722b..15c5b68 100644
--- a/views/search.twig
+++ b/views/search.twig
@@ -11,7 +11,7 @@
   </div>
 </header>
 
-{% if item_results|len > 0 %}
+{% if item_results|length > 0 %}
   <section id="search-results" class="row">
     <div class="columns twelve">
       <h3>Hardware components:</h3>
@@ -37,7 +37,7 @@
   </section>
 {% endif %}
 
-{% if license_results|len > 0 %}
+{% if license_results|length > 0 %}
   <section id="search-results" class="row">
     <div class="columns twelve">
       <h3>Software licenses:</h3>