diff --git a/_layouts/post.html b/_layouts/post.html
index a9abcbb68..f53ec8358 100644
--- a/_layouts/post.html
+++ b/_layouts/post.html
@@ -7,7 +7,7 @@
 	<div class="post">
 		<h1>{{ page.title }}</h1>
 		<p class="post-meta">
-			{% if (page.categories.size > 0 %}
+			{% if page.categories.size > 0 %}
       <span class="categories">
       {{ page.categories | array_to_sentence_string }}
       </span> |
diff --git a/index.html b/index.html
index d935d1271..1b30124ce 100644
--- a/index.html
+++ b/index.html
@@ -12,7 +12,7 @@ <h3 class="post-title">
     			</h3>
 
           <p class="post-meta">
-            {% if (post.categories.size > 0 %}
+            {% if post.categories.size > 0 %}
             <span class="categories">
             {{ post.categories | array_to_sentence_string }}
             </span> |
@@ -36,4 +36,4 @@ <h3 class="post-title">
 	<div class="post-footer">
 		<div class="column-full"><a href="{{ '/blog' | prepend: site.baseurl | prepend: site.url }}">Blog archive</a></div>
 	</div>
-</div>
\ No newline at end of file
+</div>