diff --git a/client/ayon_core/cli_commands.py b/client/ayon_core/cli_commands.py
index 08933a5501..f50ad61622 100644
--- a/client/ayon_core/cli_commands.py
+++ b/client/ayon_core/cli_commands.py
@@ -112,7 +112,7 @@ class Commands:
                 app_full_name,
                 launch_type=LaunchTypes.farm_publish,
             )
-            os.environ |= env
+            os.environ.update(env)
 
         pyblish.api.register_host("shell")
 
@@ -123,7 +123,7 @@ class Commands:
         else:
             pyblish.api.register_target("farm")
 
-        os.environ["AYON_PUBLISH_DATA"] = os.pathsep.join(path)
+        os.environ["AYON_PUBLISH_DATA"] = path
         os.environ["HEADLESS_PUBLISH"] = 'true'  # to use in app lib
 
         log.info("Running publish ...")
diff --git a/client/ayon_core/plugins/publish/collect_rendered_files.py b/client/ayon_core/plugins/publish/collect_rendered_files.py
index 152771da6f..8a60e7619d 100644
--- a/client/ayon_core/plugins/publish/collect_rendered_files.py
+++ b/client/ayon_core/plugins/publish/collect_rendered_files.py
@@ -74,7 +74,7 @@ class CollectRenderedFiles(pyblish.api.ContextPlugin):
         required = ["user", "comment",
                     "job", "instances", "version"]
 
-        if any(elem not in data.keys() for elem in required):
+        if any(elem not in data for elem in required):
             raise ValueError(data_err)
 
         if "folderPath" not in data and "asset" not in data: