diff --git a/client/ayon_core/pipeline/colorspace.py b/client/ayon_core/pipeline/colorspace.py
index 3566cbdc45..89b9bfce28 100644
--- a/client/ayon_core/pipeline/colorspace.py
+++ b/client/ayon_core/pipeline/colorspace.py
@@ -1275,7 +1275,12 @@ def set_colorspace_data_to_representation(
     project_settings = context_data["project_settings"]
 
     # get one filename
-    filename = representation["files"][0] if representation["files"] else None
+    filename = representation["files"]
+    if isinstance(filename, list):
+        if filename:
+            filename = filename[0]
+        else:
+            filename = None
 
     # get matching colorspace from rules
     if colorspace is None: