diff --git a/freqtrade/constants.py b/freqtrade/constants.py
index 9e5561ba3..8fbcdfed7 100644
--- a/freqtrade/constants.py
+++ b/freqtrade/constants.py
@@ -113,7 +113,7 @@ CONF_SCHEMA = {
                 'sell': {'type': 'string', 'enum': ORDERTYPE_POSSIBILITIES},
                 'stoploss': {'type': 'string', 'enum': ORDERTYPE_POSSIBILITIES},
                 'stoploss_on_exchange': {'type': 'boolean'},
-                'stoploss_on_exchange_interval': {'type': 'boolean'}
+                'stoploss_on_exchange_interval': {'type': 'number'}
             },
             'required': ['buy', 'sell', 'stoploss', 'stoploss_on_exchange']
         },