diff --git a/freqtrade/exchange/exchange.py b/freqtrade/exchange/exchange.py
index 96eebecc2..8c4315906 100644
--- a/freqtrade/exchange/exchange.py
+++ b/freqtrade/exchange/exchange.py
@@ -278,10 +278,10 @@ class Exchange(object):
                 raise OperationalException(
                     f'The config trailing_only_offset_is_reached need  '
                     'trailing_stop_positive_offset to be more than 0 in your config')
-        if tsl_positive > 0 and tsl_offset > 0 and tsl_offset <= tsl_positive:
+        if tsl_positive > 0 and 0 < tsl_offset <= tsl_positive:
             raise OperationalException(
                 f'The config trailing_stop_positive_offset need  '
-                    'to be greater than trailing_stop_positive_offset in your config')
+                'to be greater than trailing_stop_positive_offset in your config')
 
     def exchange_has(self, endpoint: str) -> bool:
         """