diff --git a/freqtrade/constants.py b/freqtrade/constants.py
index de4bc99b4..2f51f45f7 100644
--- a/freqtrade/constants.py
+++ b/freqtrade/constants.py
@@ -191,6 +191,9 @@ CONF_SCHEMA = {
             },
             'required': ['price_side']
         },
+        'custom_price_max_distance_percent': {
+           'type': 'number', 'minimum': 0.0
+        },
         'order_types': {
             'type': 'object',
             'properties': {