diff --git a/experiments/perception/worker/observatory_portable/Install-Worker006AgentImage.ps1 b/experiments/perception/worker/observatory_portable/Install-Worker006AgentImage.ps1
index 9fe466b..cfcb627 100644
--- a/experiments/perception/worker/observatory_portable/Install-Worker006AgentImage.ps1
+++ b/experiments/perception/worker/observatory_portable/Install-Worker006AgentImage.ps1
@@ -49,7 +49,10 @@ $BaseImageReference = "sha256:$BaseImageSha256"
 $BuildMethod = "docker-commit-exact-layer-v1"
 $MaximumLayerBytes = [int64](32MB)
 $ImageWorkdir = "/opt/nodedc/mission-core"
-$ImageEntrypoint = '["python3","-m","k1link.observatory.m49_worker_container_main"]'
+# Windows PowerShell reconstructs native command lines and strips unescaped
+# JSON quotes. Docker commit must receive the escaped quotes so the change is
+# parsed as exec-form ENTRYPOINT instead of shell form.
+$ImageEntrypoint = '[\"python3\",\"-m\",\"k1link.observatory.m49_worker_container_main\"]'
 $ImageCommand = '[]'
 $FixedEnvironment = @(
     "PYTHONPATH=/opt/nodedc/mission-core/src:/opt/nodedc/mission-core/deps",
diff --git a/tests/test_worker_006_agent_image_installer.py b/tests/test_worker_006_agent_image_installer.py
index 32beabf..92a4729 100644
--- a/tests/test_worker_006_agent_image_installer.py
+++ b/tests/test_worker_006_agent_image_installer.py
@@ -31,6 +31,11 @@ def test_worker_agent_installer_is_local_offline_and_non_buildkit() -> None:
         "LABEL org.opencontainers.image.title="
         "NODE.DC-Observatory-Worker-006-agent"
     ) in script
+    assert (
+        "$ImageEntrypoint = "
+        "'[\\\"python3\\\",\\\"-m\\\","
+        "\\\"k1link.observatory.m49_worker_container_main\\\"]'"
+    ) in script
     assert 'title="NODE.DC Observatory Worker 006 agent"' not in script
     assert "docker rm -f $containerId" in script
     assert "docker rm -f $containerName" not in script