diff --git a/README.md b/README.md
index 86d932d..182efdb 100644
--- a/README.md
+++ b/README.md
@@ -210,7 +210,7 @@ The `worker_consumer.py` script is a background service that runs on each ComfyU
 
 **Workflow normalization toggle:**
 
--   Set `NILOR_WORKFLOW_OS_NORMALIZATION_ENABLED=false` to disable this behavior (default: enabled).
+-   Set `NILOR_WORKFLOW_OS_NORMALIZATION_ENABLED=false` (via environment or `config/config.json5`) to disable this behavior (default: enabled).
 
 </details>
 
@@ -221,7 +221,7 @@ The sidecar uses a small, typed configuration loader with JSON5 defaults and opt
 - **Precedence**: environment variables > `config/config.json5` (controlled by `allow_env_override: true`).
 - **No hot‑reload**: configuration is loaded once at process start and passed to components.
 - **Paths/keys**: JSON5 at `ComfyUI/custom_nodes/nilor-nodes/config/config.json5` with `NILOR_*` keys (e.g., `NILOR_COMFYUI_API_URL`, `NILOR_SQS_ENDPOINT_URL`). Secrets (AWS secret) must be set via `.env`.
-- **Typed object**: loader returns a `NilorNodesConfig` with `comfy` and `worker` sections.
+- **Typed object**: loader returns a `NilorNodesConfig` with `comfy`, `worker`, and `hygiene` sections.
 
 Pseudocode usage:
 
diff --git a/config/config.json5 b/config/config.json5
index 072565e..3aca549 100644
--- a/config/config.json5
+++ b/config/config.json5
@@ -48,6 +48,11 @@
   NILOR_MEMORY_HYGIENE_MAX_CYCLE_DURATION_SECONDS: 15,
 
   // ---- Worker / Queue settings ----
+  // Workflow normalization (applies in worker_consumer before submission)
+  // When enabled, nilor-nodes will normalize OS-specific path formatting inside
+  // incoming workflows (e.g. Windows backslashes vs POSIX slashes).
+  NILOR_WORKFLOW_OS_NORMALIZATION_ENABLED: true,
+
   // ElasticMQ/SQS endpoint URL (used by consumer and status updates)
   NILOR_SQS_ENDPOINT_URL: "http://localhost:9324",
   // Queue to pull new jobs from (polled by worker_consumer)
diff --git a/config/config.py b/config/config.py
index f97bb4a..c486e9f 100644
--- a/config/config.py
+++ b/config/config.py
@@ -79,6 +79,8 @@ class WorkerConfig:
         aws_secret_access_key: Secret access key for the SQS client (must be overridden via environment for real deployments).
         aws_region: AWS region name used by the SQS client.
         worker_client_id: Stable identifier for routing websocket events to this worker.
+        workflow_os_normalization_enabled: When true, normalize OS-specific path formatting
+            inside ComfyUI prompt graphs before submission.
     """
 
     sqs_endpoint_url: str
@@ -90,6 +92,7 @@ class WorkerConfig:
     aws_secret_access_key: str
     aws_region: str
     worker_client_id: str
+    workflow_os_normalization_enabled: bool
 
 
 @dataclass(frozen=True)
@@ -199,6 +202,9 @@ class NilorNodesConfig(BaseConfig):
             ).strip(),
             aws_region=str(config_dict.get("NILOR_AWS_DEFAULT_REGION", "")).strip(),
             worker_client_id=worker_client_id,
+            workflow_os_normalization_enabled=_coerce_bool(
+                config_dict.get("NILOR_WORKFLOW_OS_NORMALIZATION_ENABLED", True)
+            ),
         )
 
         # Memory hygiene
@@ -332,6 +338,10 @@ def _apply_env_overrides(cfg: NilorNodesConfig) -> None:
     )
     worker_region = os.getenv("NILOR_AWS_DEFAULT_REGION", cfg.worker.aws_region)
     worker_client_id = os.getenv("NILOR_WORKER_CLIENT_ID", cfg.worker.worker_client_id)
+    worker_workflow_os_norm = os.getenv(
+        "NILOR_WORKFLOW_OS_NORMALIZATION_ENABLED",
+        cfg.worker.workflow_os_normalization_enabled,
+    )
     cfg.worker = WorkerConfig(
         sqs_endpoint_url=str(worker_sqs_endpoint_url),
         jobs_queue=str(worker_jobs_queue),
@@ -342,6 +352,7 @@ def _apply_env_overrides(cfg: NilorNodesConfig) -> None:
         aws_secret_access_key=str(worker_secret_key),
         aws_region=str(worker_region),
         worker_client_id=str(worker_client_id),
+        workflow_os_normalization_enabled=_coerce_bool(worker_workflow_os_norm),
     )
 
     # Re-validate after overrides
diff --git a/worker_consumer.py b/worker_consumer.py
index cf21437..6b6267b 100644
--- a/worker_consumer.py
+++ b/worker_consumer.py
@@ -432,10 +432,7 @@ class WorkerConsumer:
                 # Normalize OS-sensitive path formatting inside the ComfyUI prompt graph.
                 # This lets us accept workflows authored on a different OS (e.g. Windows
                 # backslashes) and run them on the current worker OS.
-                enabled_raw = os.getenv(
-                    "NILOR_WORKFLOW_OS_NORMALIZATION_ENABLED", "true"
-                ).strip()
-                enabled = enabled_raw.lower() not in ("0", "false", "no", "off")
+                enabled = self.cfg.worker.workflow_os_normalization_enabled
                 if enabled and "prompt" in payload:
                     try:
                         normalized_prompt, rewritten = (