diff --git a/stellarphot/settings/models.py b/stellarphot/settings/models.py
index 19653df5..b7070168 100644
--- a/stellarphot/settings/models.py
+++ b/stellarphot/settings/models.py
@@ -196,7 +196,7 @@ def validate_gain(self):
 
 
 # Add YAML round-tripping for Camera
-def camera_representer(dumper, cam):
+def _camera_representer(dumper, cam):
     return dumper.represent_mapping("!Camera", cam.model_dump())