diff --git a/templates/macros/title.html b/templates/macros/title.html
index a8575de..0ed12ca 100644
--- a/templates/macros/title.html
+++ b/templates/macros/title.html
@@ -1,11 +1,11 @@
 {% macro title(page_title, main_title) %}
-    {%- if config.extra.page_titles == "combined" -%}
+    {%- if config.extra.page_titles and config.extra.page_titles == "combined" -%}
         {%- if page_title -%}
             {{ page_title }} | {{ main_title }}
         {%- else -%}
             {{ main_title }}
         {%- endif -%}
-    {%- elif config.extra.page_titles == "page_only" -%}
+    {%- elif config.extra.page_titles and config.extra.page_titles == "page_only" -%}
         {%- if page_title -%}
             {{ page_title }}
         {%- else -%}