diff --git a/freqtrade/strategy/default_strategy.py b/freqtrade/strategy/default_strategy.py
index ea37735b7..ec39578c7 100644
--- a/freqtrade/strategy/default_strategy.py
+++ b/freqtrade/strategy/default_strategy.py
@@ -28,7 +28,7 @@ class DefaultStrategy(IStrategy):
     stoploss = -0.10
 
     # Optimal ticker interval for the strategy
-    ticker_interval = 5
+    ticker_interval = '5m'
 
     def populate_indicators(self, dataframe: DataFrame) -> DataFrame:
         """
diff --git a/freqtrade/tests/strategy/test_default_strategy.py b/freqtrade/tests/strategy/test_default_strategy.py
index 00ddc34ea..93cb76366 100644
--- a/freqtrade/tests/strategy/test_default_strategy.py
+++ b/freqtrade/tests/strategy/test_default_strategy.py
@@ -31,7 +31,7 @@ def test_default_strategy(result):
 
     assert type(strategy.minimal_roi) is dict
     assert type(strategy.stoploss) is float
-    assert type(strategy.ticker_interval) is int
+    assert type(strategy.ticker_interval) is str
     indicators = strategy.populate_indicators(result)
     assert type(indicators) is DataFrame
     assert type(strategy.populate_buy_trend(indicators)) is DataFrame