diff --git a/freqtrade/main.py b/freqtrade/main.py
index b92bb69e4..254bed33e 100755
--- a/freqtrade/main.py
+++ b/freqtrade/main.py
@@ -130,7 +130,9 @@ def check_handle_timedout(timeoutvalue: int) -> None:
 
     for trade in Trade.query.filter(Trade.open_order_id.isnot(None)).all():
         order = exchange.get_order(trade.open_order_id)
-        if order['type'] == "LIMIT_BUY" and order['opened'] < timeoutthreashold:
+        ordertime = arrow.get(order['opened'])
+
+        if order['type'] == "LIMIT_BUY" and ordertime < timeoutthreashold:
             # Buy timeout - cancel order
             exchange.cancel_order(trade.open_order_id)
             if order['remaining'] == order['amount']:
@@ -145,7 +147,7 @@ def check_handle_timedout(timeoutvalue: int) -> None:
                 trade.stake_amount = trade.amount * trade.open_rate
                 trade.open_order_id = None
                 logger.info('Partial buy order timeout for %s.', trade)
-        elif order['type'] == "LIMIT_SELL" and order['opened'] < timeoutthreashold:
+        elif order['type'] == "LIMIT_SELL" and ordertime < timeoutthreashold:
             # Sell timeout - cancel order and update trade
             if order['remaining'] == order['amount']:
                 # if trade is not partially completed, just cancel the trade
diff --git a/freqtrade/tests/conftest.py b/freqtrade/tests/conftest.py
index e1e9ab3d7..788585345 100644
--- a/freqtrade/tests/conftest.py
+++ b/freqtrade/tests/conftest.py
@@ -124,11 +124,11 @@ def limit_buy_order():
         'id': 'mocked_limit_buy',
         'type': 'LIMIT_BUY',
         'pair': 'mocked',
-        'opened': arrow.utcnow().datetime,
+        'opened': str(arrow.utcnow().datetime),
         'rate': 0.00001099,
         'amount': 90.99181073,
         'remaining': 0.0,
-        'closed': arrow.utcnow().datetime,
+        'closed': str(arrow.utcnow().datetime),
     }
 
 
@@ -138,7 +138,7 @@ def limit_buy_order_old():
         'id': 'mocked_limit_buy_old',
         'type': 'LIMIT_BUY',
         'pair': 'BTC_ETH',
-        'opened': arrow.utcnow().shift(minutes=-601).datetime,
+        'opened': str(arrow.utcnow().shift(minutes=-601).datetime),
         'rate': 0.00001099,
         'amount': 90.99181073,
         'remaining': 90.99181073,
@@ -151,7 +151,7 @@ def limit_sell_order_old():
         'id': 'mocked_limit_sell_old',
         'type': 'LIMIT_SELL',
         'pair': 'BTC_ETH',
-        'opened': arrow.utcnow().shift(minutes=-601).datetime,
+        'opened': str(arrow.utcnow().shift(minutes=-601).datetime),
         'rate': 0.00001099,
         'amount': 90.99181073,
         'remaining': 90.99181073,
@@ -164,7 +164,7 @@ def limit_buy_order_old_partial():
         'id': 'mocked_limit_buy_old_partial',
         'type': 'LIMIT_BUY',
         'pair': 'BTC_ETH',
-        'opened': arrow.utcnow().shift(minutes=-601).datetime,
+        'opened': str(arrow.utcnow().shift(minutes=-601).datetime),
         'rate': 0.00001099,
         'amount': 90.99181073,
         'remaining': 67.99181073,
@@ -177,11 +177,11 @@ def limit_sell_order():
         'id': 'mocked_limit_sell',
         'type': 'LIMIT_SELL',
         'pair': 'mocked',
-        'opened': arrow.utcnow().datetime,
+        'opened': str(arrow.utcnow().datetime),
         'rate': 0.00001173,
         'amount': 90.99181073,
         'remaining': 0.0,
-        'closed': arrow.utcnow().datetime,
+        'closed': str(arrow.utcnow().datetime),
     }