diff --git a/freqtrade/resolvers/strategy_resolver.py b/freqtrade/resolvers/strategy_resolver.py
index 47a09120d..a0ebfdef0 100644
--- a/freqtrade/resolvers/strategy_resolver.py
+++ b/freqtrade/resolvers/strategy_resolver.py
@@ -150,7 +150,9 @@ class StrategyResolver(IResolver):
         # Ensure necessary migrations are performed first.
         validate_migrated_strategy_settings(strategy.config)
 
-        if not all(k in strategy.order_types for k in REQUIRED_ORDERTYPES):
+        if not strategy.order_types or not all(
+            k in strategy.order_types for k in REQUIRED_ORDERTYPES
+        ):
             raise ImportError(
                 f"Impossible to load Strategy '{strategy.__class__.__name__}'. "
                 f"Order-types mapping is incomplete."