diff --git a/src/freedombone-app-wiki b/src/freedombone-app-wiki
index 19730383..3ad6f570 100755
--- a/src/freedombone-app-wiki
+++ b/src/freedombone-app-wiki
@@ -263,9 +263,13 @@ function install_wiki {
 
     ln -s /usr/share/dokuwiki /var/www/$WIKI_DOMAIN_NAME/htdocs
 
-    mkdir /var/lib/dokuwiki/custom
+    if [ ! -d /var/lib/dokuwiki/custom ]; then
+        mkdir /var/lib/dokuwiki/custom
+    fi
     cp /etc/dokuwiki/local.php.dist /var/lib/dokuwiki/custom/local.php
-    ln -s /var/lib/dokuwiki/custom/local.php /etc/dokuwiki/local.php
+    if [ ! -f /etc/dokuwiki/local.php ]; then
+        ln -s /var/lib/dokuwiki/custom/local.php /etc/dokuwiki/local.php
+    fi
 
     chown www-data /var/lib/dokuwiki/custom
     chown www-data /var/lib/dokuwiki/custom/local.php