diff --git a/changelog.txt b/changelog.txt
index f827861..bb7bc6d 100755
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,6 @@
+2025.05.18:
+. In start_trader, missing base is calculated using amount_to_precision.
+
 2025.05.16:
 . Added exception handling when removing a trader.
 . Minor variable renaming.
diff --git a/main.py b/main.py
index aff3b0f..07d0463 100644
--- a/main.py
+++ b/main.py
@@ -16,7 +16,7 @@ import exchange_wrapper
 import trader
 
 
-version = "2025.05.16"
+version = "2025.05.18"
 
 '''
 Color definitions. If you want to change them, check the reference at https://en.wikipedia.org/wiki/ANSI_escape_code#Colors
diff --git a/trader.py b/trader.py
index 4de13b8..d008fb1 100755
--- a/trader.py
+++ b/trader.py
@@ -129,9 +129,8 @@ class trader:
             
             #Buy missing base sold because of rounding errors (rare)
             if self.status.get_old_long()!={}:
-                diff = self.status.get_old_long()["tp_amount"] - free_base
+                diff = self.broker.amount_to_precision(self.config.get_pair(), self.status.get_old_long()["tp_amount"] - free_base)
                 if diff>min_base_size:
-                    diff = self.broker.amount_to_precision(self.config.get_pair(),diff)
                     self.broker.logger.log_this(f"Buying missing {diff} {self.base}",1,self.config.get_pair())
                     self.broker.new_market_order(self.config.get_pair(),diff,"buy",amount_in_base=True)
                     time.sleep(self.broker.get_wait_time()*2)