diff --git a/freqtrade/constants.py b/freqtrade/constants.py
index 6c71ddf7b..ff250c1f1 100644
--- a/freqtrade/constants.py
+++ b/freqtrade/constants.py
@@ -67,6 +67,7 @@ CONF_SCHEMA = {
             },
             'minProperties': 1
         },
+        'amount_reserve_percent': {'type': 'number', 'minimum': 0.0, 'maximum': 0.5},
         'stoploss': {'type': 'number', 'maximum': 0, 'exclusiveMaximum': True},
         'trailing_stop': {'type': 'boolean'},
         'trailing_stop_positive': {'type': 'number', 'minimum': 0, 'maximum': 1},