diff --git a/gotrue/_async/gotrue_client.py b/gotrue/_async/gotrue_client.py
index 7bc93f84..07ec7288 100644
--- a/gotrue/_async/gotrue_client.py
+++ b/gotrue/_async/gotrue_client.py
@@ -875,7 +875,7 @@ def exchange_code_for_session(auth_code: str):
             "POST",
             "token?grant_type=pkce",
             body={
-                "auth_code": email,
+                "auth_code": auth_code,
                 "code_verifier": code_verifier,
             },
             redirect_to=redirect_to,
diff --git a/gotrue/_sync/gotrue_client.py b/gotrue/_sync/gotrue_client.py
index 127f448e..0d2107d2 100644
--- a/gotrue/_sync/gotrue_client.py
+++ b/gotrue/_sync/gotrue_client.py
@@ -873,7 +873,7 @@ def exchange_code_for_session(auth_code: str):
             "POST",
             "token?grant_type=pkce",
             body={
-                "auth_code": email,
+                "auth_code": auth_code,
                 "code_verifier": code_verifier,
             },
             redirect_to=redirect_to,