diff --git a/openpype/pipeline/colorspace.py b/openpype/pipeline/colorspace.py
index 118466bc92..fa9f124130 100644
--- a/openpype/pipeline/colorspace.py
+++ b/openpype/pipeline/colorspace.py
@@ -156,7 +156,7 @@ def get_imageio_colorspace_from_filepath(
 
     # match file rule from path
     colorspace_name = None
-    for _, file_rule in file_rules.items():
+    for file_rule in file_rules.values():
         pattern = file_rule["pattern"]
         extension = file_rule["ext"]
         ext_match = re.match(