diff --git a/modules/shared.py b/modules/shared.py
index 1c9c4b5af..ed88819bf 100644
--- a/modules/shared.py
+++ b/modules/shared.py
@@ -765,6 +765,15 @@ class Options:
             # output = json.dumps(self.data, indent=2)
             diff = {}
             unused_settings = []
+
+            if os.environ.get('SD_CONFIG_DEBUG', None) is not None:
+                log.debug('Config: user settings')
+                for k, v in self.data.items():
+                    log.trace(f'  Config: item={k} value={v} default={self.data_labels[k].default if k in self.data_labels else None}')
+                log.debug('Config: default settings')
+                for k in self.data_labels.keys():
+                    log.trace(f'  Config: item={k} default={self.data_labels[k].default}')
+
             for k, v in self.data.items():
                 if k in self.data_labels:
                     if type(v) is list: