diff --git a/apps/collabora.sh b/apps/collabora.sh
index 9558e7d2..99ac9540 100644
--- a/apps/collabora.sh
+++ b/apps/collabora.sh
@@ -103,7 +103,7 @@ a2enmod ssl
 
 if [ -f "$HTTPS_CONF" ]
 then
-    a2dissite "$HTTPS_CONF"
+    a2dissite "$SUBDOMAIN"
     rm -f "$HTTPS_CONF"
 fi