diff --git a/src/vm.ts b/src/vm.ts
index 6708369..6a26e52 100644
--- a/src/vm.ts
+++ b/src/vm.ts
@@ -149,12 +149,16 @@ export async function status(): Promise<"running" | "stopped" | "missing"> {
 /** Launch claude in the container at the given workdir. */
 export async function claude(workdir: string, opts?: { prompt?: string; print?: string }): Promise<string | void> {
   const cwd = containerPath(workdir)
-  const systemPrompt = [
+  const systemPromptLines = [
     "You are running inside a sandlot container (Apple Container, ubuntu:24.04).",
     `Your working directory is ${cwd}, a git worktree managed by sandlot.`,
     "The host's ~/dev is mounted read-only at /host.",
     "The host's ~/.sandlot is mounted at /sandlot.",
-  ].join("\n")
+  ]
+  if (opts?.print) {
+    systemPromptLines.push("IMPORTANT: Do not use plan mode. Do not call the EnterPlanMode tool. Proceed directly with the task.")
+  }
+  const systemPrompt = systemPromptLines.join("\n")
 
   const term = process.env.TERM || "xterm-256color"
   const args = ["container", "exec", "-it", "--user", USER, "--workdir", cwd, CONTAINER_NAME, "env", `TERM=${term}`, CLAUDE_BIN, "--dangerously-skip-permissions", "--model", "claude-opus-4-6", "--append-system-prompt", systemPrompt]