diff --git a/apps/do/vikunja-extra/vikunja-oauth-client.yaml b/apps/do/vikunja-extra/vikunja-oauth-client.yaml
index f0618e6..95ad97a 100644
--- a/apps/do/vikunja-extra/vikunja-oauth-client.yaml
+++ b/apps/do/vikunja-extra/vikunja-oauth-client.yaml
@@ -16,5 +16,5 @@ spec:
   scope: "openid profile email name"
   secretName: stackspin-vikunja-extra-oauth-variables
   redirectUris:
-    - https://{vikunja_extra_domain}/auth/openid/stackspin
+    - https://${vikunja_extra_domain}/auth/openid/stackspin
   tokenEndpointAuthMethod: client_secret_post