diff --git a/core/lib/market.py b/core/lib/market.py
index e7d6822..9fcdfa2 100644
--- a/core/lib/market.py
+++ b/core/lib/market.py
@@ -104,9 +104,12 @@ def get_trade_size_in_base(direction, account, strategy, cash_balance, base):
     log.debug(f"Trade size: {amount_fiat}")
 
     # Convert the trade size to the base currency
-    trade_size_in_base = to_currency(
-        direction, account, amount_fiat, account.currency, base
-    )
+    if account.currency.lower() == base.lower():
+        trade_size_in_base = amount_fiat
+    else:
+        trade_size_in_base = to_currency(
+            direction, account, amount_fiat, account.currency, base
+        )
     log.debug(f"Trade size in base: {trade_size_in_base}")
 
     return trade_size_in_base