diff --git a/argocd/apps/mastodon.yaml b/argocd/apps/mastodon.yaml
index 9de13ba..74cbd67 100644
--- a/argocd/apps/mastodon.yaml
+++ b/argocd/apps/mastodon.yaml
@@ -82,7 +82,7 @@ spec:
             oidc:
               enabled: true
               displayName: "t0rt1k.tech matrix"
-              issuer: https://auth.t0rt1k.tech/oauth2/
+              issuer: https://auth.t0rt1k.tech/
               discovery: true
               scope: "openid,profile"
               uidField: sub