diff --git a/freqtrade/rpc/api_server/api_schemas.py b/freqtrade/rpc/api_server/api_schemas.py
index 2100a6fe2..6c423c959 100644
--- a/freqtrade/rpc/api_server/api_schemas.py
+++ b/freqtrade/rpc/api_server/api_schemas.py
@@ -423,6 +423,7 @@ class BacktestRequest(BaseModel):
     stake_amount: Optional[str]
     enable_protections: bool
     dry_run_wallet: Optional[float]
+    backtest_cache: Optional[str]
     freqaimodel: Optional[str]