diff --git a/src/main.rs b/src/main.rs
index 61a60d6..70a3944 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2105,6 +2105,10 @@ fn run_target_command(
         cmd.env(k, v);
     }
 
+    // `Command::output()` defaults stdin to `/dev/null`. Minimal chroots may
+    // not have device nodes yet, so inherit stdin while still capturing output.
+    cmd.stdin(Stdio::inherit());
+
     let output = cmd.output().map_err(|err| {
         command_spawn_error(root, &resolved_program, &resolved_program_display, err)
     })?;