diff --git a/control_plane/resources/management/commands/seed_spark_resources.py b/control_plane/resources/management/commands/seed_spark_resources.py
index 058fc25..1436b74 100644
--- a/control_plane/resources/management/commands/seed_spark_resources.py
+++ b/control_plane/resources/management/commands/seed_spark_resources.py
@@ -2,6 +2,7 @@ from __future__ import annotations
 
 import os
 import shutil
+from pathlib import Path
 
 from django.core.management.base import BaseCommand
 
@@ -15,7 +16,12 @@ class Command(BaseCommand):
         env_name = f"ARTIFEX_{model_key.upper()}_OPENCODE_COMMAND"
         if os.environ.get(env_name):
             return os.environ[env_name]
-        executable = shutil.which("opencode") or "opencode"
+        if os.environ.get("ARTIFEX_OPENCODE_COMMAND"):
+            return os.environ["ARTIFEX_OPENCODE_COMMAND"]
+        executable = shutil.which("opencode")
+        if executable is None:
+            default_user_install = Path.home() / ".opencode" / "bin" / "opencode"
+            executable = str(default_user_install) if default_user_install.exists() else "opencode"
         return f"{executable} run"
 
     def opencode_config(self, model_key: str) -> dict[str, object]: