diff --git a/oxrlib/commands/historical.py b/oxrlib/commands/historical.py
index b887f3675479738d5d0a419ccedd33cadd416f5b..828054b7f9b5b7d12726cdddf7aad0e61b7e98dc 100644
--- a/oxrlib/commands/historical.py
+++ b/oxrlib/commands/historical.py
@@ -71,19 +71,15 @@ class Formatter:
         )
 
 
-class LedgerFormatter(Formatter):
-    COST_FMT = '{{={}}}'
+class BeancountFormatter(Formatter):
+    COST_FMT = '{{{}}}'
     PRICE_FMT = ' @ {}'
 
     def price_rate(self, from_amt, from_curr, to_curr):
         if self.price_rates is None:
-            rates = self.cost_rates
+            return None
         else:
-            rates = self.price_rates
-        return rates.convert(from_amt, from_curr, to_curr)
-
-    def can_sign_currency(self, code):
-        return len(babel.numbers.get_currency_symbol(code)) == 1
+            return self.price_rates.convert(from_amt, from_curr, to_curr)
 
     def normalize_rate(self, rate, prec=None):
         if prec is None:
@@ -172,26 +168,18 @@ class LedgerFormatter(Formatter):
         )
 
 
-class BeancountFormatter(LedgerFormatter):
-    COST_FMT = '{{{}}}'
+class LedgerFormatter(BeancountFormatter):
+    COST_FMT = '{{={}}}'
 
-    def __init__(self, cost_rates, price_rates=None,
-                 signed_currencies=(), base_fmt='#,##0.###',
-                 rate_precision=5, denomination=None):
-        super().__init__(
-            cost_rates,
-            price_rates,
-            (),
-            base_fmt,
-            rate_precision,
-            denomination,
-        )
+    def can_sign_currency(self, code):
+        return len(babel.numbers.get_currency_symbol(code)) == 1
 
     def price_rate(self, from_amt, from_curr, to_curr):
         if self.price_rates is None:
-            return None
+            rates = self.cost_rates
         else:
-            return self.price_rates.convert(from_amt, from_curr, to_curr)
+            rates = self.price_rates
+        return rates.convert(from_amt, from_curr, to_curr)
 
 
 class Formats(enum.Enum):