diff --git a/ansible/roles/docker-compose/files/synapse/config/homeserver.yaml b/ansible/roles/docker-compose/files/synapse/config/homeserver.yaml
index 46d8d4e..f54e64d 100755
--- a/ansible/roles/docker-compose/files/synapse/config/homeserver.yaml
+++ b/ansible/roles/docker-compose/files/synapse/config/homeserver.yaml
@@ -2276,7 +2276,7 @@ sso:
 oidc_providers:
   - idp_id: keycloak
     idp_name: "Corp Login"
-    issuer: "https://idp.corp-serv.net/realms/MAT"
+    issuer: "https://idp.corp-serv.net/realms/MAT/"
     client_id: "synapse"
     client_secret: "vulBbPIatTqthf3wVgWbXjrLa00Ejk913gQEqgFhZm6FTJj4rc5CWgGGIBjH6CBDaAmeyZ4Tgs0iK7w9tannkaY8u3ziW4vhU0Ji"
     scopes: ["openid", "profile"]