diff --git a/plugos/syscalls/shell.deno.ts b/plugos/syscalls/shell.deno.ts
index a83596b..e2fc468 100644
--- a/plugos/syscalls/shell.deno.ts
+++ b/plugos/syscalls/shell.deno.ts
@@ -1,3 +1,4 @@
+import { ShellResponse } from "../../server/rpc.ts";
 import type { SysCallMapping } from "../system.ts";
 
 export function shellSyscalls(cwd: string): SysCallMapping {
@@ -6,7 +7,7 @@ export function shellSyscalls(cwd: string): SysCallMapping {
       _ctx,
       cmd: string,
       args: string[],
-    ): Promise<{ stdout: string; stderr: string }> => {
+    ): Promise<ShellResponse> => {
       const p = new Deno.Command(cmd, {
         args: args,
         cwd,
@@ -17,7 +18,7 @@ export function shellSyscalls(cwd: string): SysCallMapping {
       const stdout = new TextDecoder().decode(output.stdout);
       const stderr = new TextDecoder().decode(output.stderr);
 
-      return { stdout, stderr };
+      return { stdout, stderr, code: output.code };
     },
   };
 }