diff --git a/defaults/main.yaml b/defaults/main.yaml
index b788108..01e10c9 100644
--- a/defaults/main.yaml
+++ b/defaults/main.yaml
@@ -6,3 +6,4 @@ phpipam_db_user: "phpipam"
 phpipam_db_password: "changeme"
 phpipam_db_name: "phpipam"
 phpipam_http_port: "8080"
+phpipam_scan_interval: "6h"
diff --git a/tasks/phpipam.yaml b/tasks/phpipam.yaml
index c1cabdd..2307248 100644
--- a/tasks/phpipam.yaml
+++ b/tasks/phpipam.yaml
@@ -41,7 +41,7 @@
       IPAM_DATABASE_PASS: "{{ phpipam_db_password }}"
       IPAM_DATABASE_NAME: "{{ phpipam_db_name }}"
       IPAM_TRUST_X_FORWARDED: "true"
-      IPAM_DISABLE_INSTALLER: "true"
+      IPAM_DISABLE_INSTALLER: "false"
 
       # global
       TZ: "{{ timezone }}"
@@ -84,7 +84,7 @@
       IPAM_DATABASE_USER: "{{ phpipam_db_user }}"
       IPAM_DATABASE_PASS: "{{ phpipam_db_password }}"
       IPAM_DATABASE_NAME: "{{ phpipam_db_name }}"
-      SCAN_INTERVAL: "{{ phpipam_scan_interval | default('1h') }}"
+      SCAN_INTERVAL: "{{ phpipam_scan_interval }}"
 
       # global
       TZ: "{{ timezone }}"