diff --git a/defaults/main.yml b/defaults/main.yml
index 8cbc334..83093d5 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -13,12 +13,12 @@ gitea_config:
     NAME: gitea
     USER: root
   security:
-    INSTALL_LOCK: false
+    INSTALL_LOCK: "false"
     SECRET_KEY:
     INTERNAL_TOKEN:
   camo:
   oauth2:
-    ENABLE: true
+    ENABLE: "true"
   log:
     MODE: console
     LEVEL: Info
diff --git a/templates/app.ini.j2 b/templates/app.ini.j2
index 8b14002..a918abe 100644
--- a/templates/app.ini.j2
+++ b/templates/app.ini.j2
@@ -1,7 +1,8 @@
 ;; {{ ansible_managed }}
 {% for section, settings in gitea_config.items() %}
 [{{ section }}]
+{% set settings = {} if settings == None else settings %}
 {% for param, value in settings.items() %}
-{{ param }} = {{ value }}
+{{ param }} = {{ value | d('') }}
 {% endfor %}
 {% endfor %}