diff --git a/templates/macros.html b/templates/macros.html
index 0a5e943..707d7c9 100644
--- a/templates/macros.html
+++ b/templates/macros.html
@@ -54,9 +54,11 @@
 {% macro tags_in_category() %}
 	{% set_global tags = [] %}
 	{% for page in term.pages %}
-		{% for tag in page.taxonomies.tagy %}
-			{% set_global tags = tags | concat(with=tag) %}
-		{% endfor %}
+		{% if page.taxonomies.tagy %}
+			{% for tag in page.taxonomies.tagy %}
+				{% set_global tags = tags | concat(with=tag) %}
+			{% endfor %}
+		{% endif %}
 	{% endfor %}
 
 	{% set_global tags = tags | sort | unique %}