diff --git a/codex-rs/core/src/tools/runtimes/unified_exec.rs b/codex-rs/core/src/tools/runtimes/unified_exec.rs
index fbf7c2a84b..6f0f01b77f 100644
--- a/codex-rs/core/src/tools/runtimes/unified_exec.rs
+++ b/codex-rs/core/src/tools/runtimes/unified_exec.rs
@@ -280,7 +280,11 @@ impl<'a> ToolRuntime<UnifiedExecRequest, UnifiedExecProcess> for UnifiedExecRunt
         if let UnifiedExecShellMode::ZshFork(zsh_fork_config) = &self.shell_mode {
             let command =
                 build_sandbox_command(&command, &req.cwd, &env, req.additional_permissions.clone())
-                    .map_err(|_| ToolError::Codex(CodexErr::InvalidRequest("missing command line for PTY".into())))?;
+                    .map_err(|_| {
+                        ToolError::Codex(CodexErr::InvalidRequest(
+                            "missing command line for PTY".into(),
+                        ))
+                    })?;
             let options = unified_exec_options(attempt.network_denial_cancellation_token.clone());
             let mut exec_env = attempt
                 .env_for(command, options, managed_network)
@@ -331,7 +335,11 @@ impl<'a> ToolRuntime<UnifiedExecRequest, UnifiedExecProcess> for UnifiedExecRunt
         }
         let command =
             build_sandbox_command(&command, &req.cwd, &env, req.additional_permissions.clone())
-                .map_err(|_| ToolError::Codex(CodexErr::InvalidRequest("missing command line for PTY".into())))?;
+                .map_err(|_| {
+                    ToolError::Codex(CodexErr::InvalidRequest(
+                        "missing command line for PTY".into(),
+                    ))
+                })?;
         let options = unified_exec_options(attempt.network_denial_cancellation_token.clone());
         let mut exec_env = attempt
             .env_for(command, options, managed_network)