diff --git a/user_data/strategies/test_strategy.py b/user_data/strategies/test_strategy.py
index 4ba1dbe17..af28388be 100644
--- a/user_data/strategies/test_strategy.py
+++ b/user_data/strategies/test_strategy.py
@@ -41,7 +41,7 @@ class TestStrategy(IStrategy):
     stoploss = -0.10
 
     # Optimal ticker interval for the strategy
-    ticker_interval = 5
+    ticker_interval = '5m'
 
     def populate_indicators(self, dataframe: DataFrame) -> DataFrame:
         """