diff --git a/src/lib/onboard/sandbox-dockerfile-patch-flow.ts b/src/lib/onboard/sandbox-dockerfile-patch-flow.ts
index c39474e16f7..70fa4ffb2a2 100644
--- a/src/lib/onboard/sandbox-dockerfile-patch-flow.ts
+++ b/src/lib/onboard/sandbox-dockerfile-patch-flow.ts
@@ -136,6 +136,7 @@ export async function prepareSandboxDockerfilePatch({
       log,
     },
   );
+  const darwinVmCompat = false;
   (deps.patchStagedDockerfile ?? patchStagedDockerfile)(
     stagedDockerfile,
     model,
@@ -145,7 +146,7 @@ export async function prepareSandboxDockerfilePatch({
     preferredInferenceApi,
     webSearchConfig,
     resolved ? resolved.ref : null,
-    false,
+    darwinVmCompat,
     null,
     hermesToolGateways,
   );
diff --git a/test/e2e/test-openshell-gateway-upgrade.sh b/test/e2e/test-openshell-gateway-upgrade.sh
index 327c096c66b..0fe6ac79115 100755
--- a/test/e2e/test-openshell-gateway-upgrade.sh
+++ b/test/e2e/test-openshell-gateway-upgrade.sh
@@ -450,7 +450,7 @@ exercise_macos_docker_rootfs_permission_regression() {
     || fail "Dockerfile is missing the macOS VM rootfs compatibility ARG"
   grep -Fq "ARG NEMOCLAW_DARWIN_VM_COMPAT=\${sanitizeDockerArg(darwinVmCompat ? \"1\" : \"0\")}" src/lib/onboard/dockerfile-patch.ts \
     || fail "Dockerfile patch helper does not patch the macOS VM rootfs compatibility ARG"
-  grep -Fq "Docker-on-Colima uses normal container ownership" src/lib/onboard.ts \
+  grep -Fq "const darwinVmCompat = false;" src/lib/onboard/sandbox-dockerfile-patch-flow.ts \
     || fail "onboard does not keep macOS Docker sandbox builds out of the VM rootfs compatibility path"
   grep -q "chmod -R a+rwX /sandbox/.openclaw" Dockerfile \
     || fail "Dockerfile does not relax OpenClaw state permissions for macOS VM rootfs remapping"