diff --git a/openpype/hosts/blender/api/render_lib.py b/openpype/hosts/blender/api/render_lib.py
index 1ab3b260bb..b437078ad8 100644
--- a/openpype/hosts/blender/api/render_lib.py
+++ b/openpype/hosts/blender/api/render_lib.py
@@ -191,7 +191,7 @@ def set_node_tree(output_path, name, aov_sep, ext, multilayer):
 
         output.file_slots.new(filepath)
 
-        filename = output_path / filepath.lstrip("/")
+        filename = str(output_path / filepath.lstrip("/"))
 
         aov_file_products.append((render_pass.name, filename))