diff --git a/server/operators/stt_local/run.py b/server/operators/stt_local/run.py
index e630bd8..b51ed9e 100644
--- a/server/operators/stt_local/run.py
+++ b/server/operators/stt_local/run.py
@@ -1,9 +1,13 @@
 import argparse
 import json
+import os
 import sys
 import time
 from pathlib import Path
 
+# job env has a minimal PATH; whisper shells out to ffmpeg
+os.environ["PATH"] = "/opt/homebrew/bin:/usr/local/bin:" + os.environ.get("PATH", "")
+
 ap = argparse.ArgumentParser()
 ap.add_argument("--input", action="append", default=[])
 ap.add_argument("--outdir", required=True)
diff --git a/server/operators/wan_video/run.py b/server/operators/wan_video/run.py
index 104d3dd..332c041 100644
--- a/server/operators/wan_video/run.py
+++ b/server/operators/wan_video/run.py
@@ -4,6 +4,7 @@ cached in RAM between jobs). Frames come back as PNGs; ffmpeg muxes the MP4."""
 import argparse
 import json
 import mimetypes
+import os
 import random
 import subprocess
 import sys
@@ -13,6 +14,9 @@ import urllib.request
 import uuid
 from pathlib import Path
 
+# job env has a minimal PATH; we shell out to ffmpeg for the mux
+os.environ["PATH"] = "/opt/homebrew/bin:/usr/local/bin:" + os.environ.get("PATH", "")
+
 ROOT = Path(__file__).resolve().parents[3]
 COMFY = ROOT / "vendor" / "comfyui"
 API = "http://127.0.0.1:8188"