diff --git a/app/config.py b/app/config.py
index 223fcfa..b44899f 100644
--- a/app/config.py
+++ b/app/config.py
@@ -54,7 +54,7 @@ def get_google_redirect_uri() -> str:
 
     public_url = get_portal_public_url()
     if public_url:
-        return f"{public_url}/auth/google/callback"
+        return f"{public_url}{PORTAL_PREFIX}/auth/google/callback"
 
     return ""
 
@@ -74,7 +74,7 @@ def get_gitea_redirect_uri() -> str:
 
     public_url = get_portal_public_url()
     if public_url:
-        return f"{public_url}/auth/gitea/callback"
+        return f"{public_url}{PORTAL_PREFIX}/auth/gitea/callback"
 
     return ""