diff --git a/campus_python/auth/v1/__init__.py b/campus_python/auth/v1/__init__.py
index 41f9263..f8dbf0c 100644
--- a/campus_python/auth/v1/__init__.py
+++ b/campus_python/auth/v1/__init__.py
@@ -113,19 +113,20 @@ def authorize(
         """
         from urllib.parse import urlencode
 
-        redirect_uri = self.base_url + self.make_path("/campus/callback")
+        # Use the app's own callback URL instead of going through campus proxy
+        redirect_uri = target
+
         auth_session = self.sessions.new(
-            redirect_uri=redirect_uri,  # unused but can't be empty
+            redirect_uri=redirect_uri,
             scopes=["campus.profile"],
             target=target,
         )
 
-        # Construct Campus OAuth Proxy URL with target parameter
-        authorize_url = self.base_url + self.make_path("campus/authorize")
+        # Construct Campus OAuth Provider URL (using provider directly, not proxy)
+        authorize_url = self.base_url + self.make_path("authorize")
         params = {
             "client_id": env.CLIENT_ID,
             "state": auth_session.id,
-            "target": target,
         }
         full_url = f"{authorize_url}?{urlencode(params)}"
 
diff --git a/pyproject.toml b/pyproject.toml
index 82d23da..86d6561 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "campus-api-python"
-version = "0.1.47"
+version = "0.1.48"
 description = "Campus API for Python projects"
 authors = ["NYJC Computing <nyjc.computing@nyjc.edu.sg>"]