diff --git a/roles/agent/handlers/main.yml b/roles/agent/handlers/main.yml
index d115b4fb6..0cd1f3246 100644
--- a/roles/agent/handlers/main.yml
+++ b/roles/agent/handlers/main.yml
@@ -2,7 +2,7 @@
 - name: "Activate Changes."
   listen: activate changes
   checkmk.general.activation:
-    server_url: "{{ checkmk_agent_protocol }}://{{ checkmk_agent_server }}"
+    server_url: "{{ checkmk_agent_protocol }}://{{ checkmk_agent_server }}:{{ checkmk_agent_port }}/"
     site: "{{ checkmk_agent_site }}"
     automation_user: "{{ checkmk_agent_user }}"
     automation_secret: "{{ checkmk_agent_auth }}"