diff --git a/binance/client.py b/binance/client.py
index a6788f5..19f7d38 100644
--- a/binance/client.py
+++ b/binance/client.py
@@ -63,7 +63,8 @@ def assert_symbol_exists(self, symbol):
 
     def round(self, symbol, amount):
         if self.loaded:
-            amount = round(amount, self.symbols[symbol]["baseAssetPrecision"])
+            precision = self.symbols[symbol]["baseAssetPrecision"]
+            return f"%.{precision}f" % round(amount, precision)
         return amount
 
     def assert_symbol(self, symbol):