diff --git a/repology-webapp/templates/problems/index.html b/repology-webapp/templates/problems/index.html
index 9d3a9b9..2768640 100644
--- a/repology-webapp/templates/problems/index.html
+++ b/repology-webapp/templates/problems/index.html
@@ -33,9 +33,9 @@
 		<tr>
 			<th class="text-center">Project</th>
 			<th class="text-center">Package name</th>
-			{% if maintainer_name.is_none() %}
+			{%- if maintainer_name.is_none() %}
 			<th class="text-center">Maintainer</th>
-			{% endif %}
+			{%- endif %}
 			<th class="text-left">Problem</th>
 		</tr>
 	</thead>