diff --git a/docs/strategy-advanced.md b/docs/strategy-advanced.md
index 8d241cc86..dcb8018f9 100644
--- a/docs/strategy-advanced.md
+++ b/docs/strategy-advanced.md
@@ -33,7 +33,7 @@ class Awesomestrategy(IStrategy):
         'sell': 60 * 25
     }
 
-    def check_buy_timeout(self, pair: str, trade: Trade, order: dict, **kwargs) -> bool:
+    def check_buy_timeout(self, pair: str, trade: 'Trade', order: dict, **kwargs) -> bool:
         if trade.open_rate > 100 and trade.open_date < datetime.utcnow() - timedelta(minutes=5):
             return True
         elif trade.open_rate > 10 and trade.open_date < datetime.utcnow() - timedelta(minutes=3):
@@ -43,7 +43,7 @@ class Awesomestrategy(IStrategy):
         return False
 
 
-    def check_sell_timeout(self, pair: str, trade: Trade, order: dict, **kwargs) -> bool:
+    def check_sell_timeout(self, pair: str, trade: 'Trade', order: dict, **kwargs) -> bool:
         if trade.open_rate > 100 and trade.open_date < datetime.utcnow() - timedelta(minutes=5):
             return True
         elif trade.open_rate > 10 and trade.open_date < datetime.utcnow() - timedelta(minutes=3):
diff --git a/freqtrade/strategy/interface.py b/freqtrade/strategy/interface.py
index 95dbbb99f..a5945ae1f 100644
--- a/freqtrade/strategy/interface.py
+++ b/freqtrade/strategy/interface.py
@@ -149,7 +149,7 @@ class IStrategy(ABC):
         :return: DataFrame with sell column
         """
 
-    def check_buy_timeout(self, pair: str, trade: Trade, order: Dict, **kwargs) -> bool:
+    def check_buy_timeout(self, pair: str, trade: Trade, order: dict, **kwargs) -> bool:
         """
         Check buy timeout function callback.
         This method can be used to override the buy-timeout.
@@ -167,7 +167,7 @@ class IStrategy(ABC):
         """
         return False
 
-    def check_sell_timeout(self, pair: str, trade: Trade, order: Dict, **kwargs) -> bool:
+    def check_sell_timeout(self, pair: str, trade: Trade, order: dict, **kwargs) -> bool:
         """
         Check sell timeout function callback.
         This method can be used to override the sell-timeout.
diff --git a/freqtrade/templates/subtemplates/strategy_methods_advanced.j2 b/freqtrade/templates/subtemplates/strategy_methods_advanced.j2
index 20144125c..0ca35e117 100644
--- a/freqtrade/templates/subtemplates/strategy_methods_advanced.j2
+++ b/freqtrade/templates/subtemplates/strategy_methods_advanced.j2
@@ -1,5 +1,5 @@
 
-def check_buy_timeout(self, pair: str, trade: 'Trade', order: Dict, **kwargs) -> bool:
+def check_buy_timeout(self, pair: str, trade: 'Trade', order: dict, **kwargs) -> bool:
     """
     Check buy timeout function callback.
     This method can be used to override the buy-timeout.
@@ -19,7 +19,7 @@ def check_buy_timeout(self, pair: str, trade: 'Trade', order: Dict, **kwargs) ->
     """
     return False
 
-def check_sell_timeout(self, pair: str, trade: 'Trade', order: Dict, **kwargs) -> bool:
+def check_sell_timeout(self, pair: str, trade: 'Trade', order: dict, **kwargs) -> bool:
     """
     Check sell timeout function callback.
     This method can be used to override the sell-timeout.