diff --git a/codex-rs/app-server/src/request_processors/account_processor.rs b/codex-rs/app-server/src/request_processors/account_processor.rs
index 4dff7324aa..e78e17c9e1 100644
--- a/codex-rs/app-server/src/request_processors/account_processor.rs
+++ b/codex-rs/app-server/src/request_processors/account_processor.rs
@@ -569,13 +569,10 @@ impl AccountRequestProcessor {
         }
 
         if let Some(expected_workspaces) = self.config.forced_chatgpt_workspace_id.as_deref()
-            && !expected_workspaces
-                .iter()
-                .any(|expected_workspace| chatgpt_account_id == *expected_workspace)
+            && !expected_workspaces.contains(&chatgpt_account_id)
         {
             return Err(invalid_request(format!(
-                "External auth must use one of workspace(s) {:?}, but received {chatgpt_account_id:?}.",
-                expected_workspaces
+                "External auth must use one of workspace(s) {expected_workspaces:?}, but received {chatgpt_account_id:?}.",
             )));
         }
 
diff --git a/codex-rs/login/src/auth/manager.rs b/codex-rs/login/src/auth/manager.rs
index def9b7965d..0483a72d93 100644
--- a/codex-rs/login/src/auth/manager.rs
+++ b/codex-rs/login/src/auth/manager.rs
@@ -1841,9 +1841,7 @@ impl AuthManager {
             )));
         };
         if let Some(expected_workspace_ids) = forced_chatgpt_workspace_id.as_deref()
-            && !expected_workspace_ids
-                .iter()
-                .any(|expected| chatgpt_metadata.account_id == *expected)
+            && !expected_workspace_ids.contains(&chatgpt_metadata.account_id)
         {
             return Err(RefreshTokenError::Transient(std::io::Error::other(
                 format!(