diff --git a/openpype/modules/deadline/repository/custom/plugins/GlobalJobPreLoad.py b/openpype/modules/deadline/repository/custom/plugins/GlobalJobPreLoad.py
index 80f91607bc..61d0c8eb86 100644
--- a/openpype/modules/deadline/repository/custom/plugins/GlobalJobPreLoad.py
+++ b/openpype/modules/deadline/repository/custom/plugins/GlobalJobPreLoad.py
@@ -7,7 +7,12 @@ import json
 import platform
 import uuid
 import re
-from Deadline.Scripting import RepositoryUtils, FileUtils, DirectoryUtils
+from Deadline.Scripting import (
+    RepositoryUtils,
+    FileUtils,
+    DirectoryUtils,
+    ProcessUtils,
+)
 
 
 def get_openpype_version_from_path(path, build=True):
@@ -162,7 +167,6 @@ def inject_openpype_environment(deadlinePlugin):
         print(">>> Temporary path: {}".format(export_url))
 
         args = [
-            exe,
             "--headless",
             "extractenvironments",
             export_url
@@ -188,21 +192,16 @@ def inject_openpype_environment(deadlinePlugin):
         if not os.environ.get("OPENPYPE_MONGO"):
             print(">>> Missing OPENPYPE_MONGO env var, process won't work")
 
-        env = os.environ
-        env["AVALON_TIMEOUT"] = "5000"
+        os.environ["AVALON_TIMEOUT"] = "5000"
 
-        print(">>> Executing: {}".format(" ".join(args)))
-        proc = subprocess.Popen(
-            args,
-            cwd=os.path.dirname(exe),
-            env=env,
-            stdout=subprocess.PIPE,
-            stderr=subprocess.PIPE,
-        )
-        std_output, std_err = proc.communicate()
-        print(">>> Process result {}\n".format(std_output, std_err))
-        if proc.returncode != 0:
-            raise RuntimeError("OpenPype process failed.")
+        args_str = subprocess.list2cmdline(args)
+        print(">>> Executing: {} {}".format(exe, args_str))
+        process = ProcessUtils.SpawnProcess(exe, args_str, os.path.dirname(exe))
+        ProcessUtils.WaitForExit(process, -1)
+        if process.ExitCode != 0:
+            raise RuntimeError(
+                "Failed to run OpenPype process to extract environments."
+            )
 
         print(">>> Loading file ...")
         with open(export_url) as fp: