diff --git a/docker-compose-beta.yml b/docker-compose-beta.yml
index ab103a8..34122d0 100644
--- a/docker-compose-beta.yml
+++ b/docker-compose-beta.yml
@@ -24,7 +24,7 @@ services:
       - EMAIL_SENDER_ADDRESS=${EMAIL_SENDER_ADDRESS}
       - EMAIL_REPLY_TO_ADDRESS=${EMAIL_REPLY_TO_ADDRESS}
       - APP_URL=${APP_URL}
-      - SLACK_WEBHOOK_URL=${APP_URL}
+      - SLACK_WEBHOOK_URL=${SLACK_WEBHOOK_URL}
     labels:
       traefik.enable: "true"
       traefik.docker.network: "portainer-traefik"
diff --git a/docker-compose-prd.yml b/docker-compose-prd.yml
index bbfa71d..0b9bef5 100644
--- a/docker-compose-prd.yml
+++ b/docker-compose-prd.yml
@@ -26,7 +26,7 @@ services:
       - EMAIL_SENDER_ADDRESS=${EMAIL_SENDER_ADDRESS}
       - EMAIL_REPLY_TO_ADDRESS=${EMAIL_REPLY_TO_ADDRESS}
       - APP_URL=${APP_URL}
-      - SLACK_WEBHOOK_URL=${APP_URL}
+      - SLACK_WEBHOOK_URL=${SLACK_WEBHOOK_URL}
     labels:
       - traefik.enable=true
       - traefik.docker.network=sos24-traefik
diff --git a/docker-compose-stg.yml b/docker-compose-stg.yml
index 0d32ae4..7ab98ca 100644
--- a/docker-compose-stg.yml
+++ b/docker-compose-stg.yml
@@ -24,7 +24,7 @@ services:
       - EMAIL_SENDER_ADDRESS=${EMAIL_SENDER_ADDRESS}
       - EMAIL_REPLY_TO_ADDRESS=${EMAIL_REPLY_TO_ADDRESS}
       - APP_URL=${APP_URL}
-      - SLACK_WEBHOOK_URL=${APP_URL}
+      - SLACK_WEBHOOK_URL=${SLACK_WEBHOOK_URL}
     labels:
       traefik.enable: "true"
       traefik.docker.network: "portainer-traefik"