diff --git a/plinth/modules/tiddlywiki/data/usr/share/freedombox/etc/apache2/conf-available/tiddlywiki-freedombox.conf b/plinth/modules/tiddlywiki/data/usr/share/freedombox/etc/apache2/conf-available/tiddlywiki-freedombox.conf
index f968db2c1..a69f78417 100644
--- a/plinth/modules/tiddlywiki/data/usr/share/freedombox/etc/apache2/conf-available/tiddlywiki-freedombox.conf
+++ b/plinth/modules/tiddlywiki/data/usr/share/freedombox/etc/apache2/conf-available/tiddlywiki-freedombox.conf
@@ -10,6 +10,11 @@ Alias /tiddlywiki /var/lib/tiddlywiki
     <IfModule mod_auth_pubtkt.c>
         TKTAuthToken "admin" "wiki"
     </IfModule>
+
+    # Disable caching
+    <IfModule mod_headers.c>
+        Header set Cache-Control "no-store"
+    </IfModule>
 </Location>
 
 <Directory /var/lib/tiddlywiki>