diff --git a/brmbar3/brmbar/Currency.py b/brmbar3/brmbar/Currency.py
index 29da4a3..75f6597 100644
--- a/brmbar3/brmbar/Currency.py
+++ b/brmbar3/brmbar/Currency.py
@@ -46,14 +46,14 @@ class Currency:
             raise NameError("Something fishy in find_buy_rate.");
         buy = res[0]
         if buy < 0:
-            raise NameError("Currency.rate(): Unknown conversion " + other.name() + " to " + self.name())
+            raise NameError("Currency.rate(): Unknown conversion " + other.name + " to " + self.name)
         # sell rate
         res = self.db.execute_and_fetch("SELECT public.find_sell_rate(%s, %s)",[self.id, other.id])
         if res is None:
             raise NameError("Something fishy in find_sell_rate.");
         sell = res[0]
         if sell < 0:
-            raise NameError("Currency.rate(): Unknown conversion " + self.name() + " to " + other.name())
+            raise NameError("Currency.rate(): Unknown conversion " + self.name + " to " + other.name)
 
         return (buy, sell)
 
@@ -61,13 +61,13 @@ class Currency:
         # the original code for compare testing
         res = self.db.execute_and_fetch("SELECT rate, rate_dir FROM exchange_rates WHERE target = %s AND source = %s AND valid_since <= NOW() ORDER BY valid_since DESC LIMIT 1", [self.id, other.id])
         if res is None:
-            raise NameError("Currency.rate(): Unknown conversion " + other.name() + " to " + self.name())
+            raise NameError("Currency.rate(): Unknown conversion " + other.name + " to " + self.name)
         buy_rate, buy_rate_dir = res
         buy = buy_rate if buy_rate_dir == "target_to_source" else 1/buy_rate
 
         res = self.db.execute_and_fetch("SELECT rate, rate_dir FROM exchange_rates WHERE target = %s AND source = %s AND valid_since <= NOW() ORDER BY valid_since DESC LIMIT 1", [other.id, self.id])
         if res is None:
-            raise NameError("Currency.rate(): Unknown conversion " + self.name() + " to " + other.name())
+            raise NameError("Currency.rate(): Unknown conversion " + self.name + " to " + other.name)
         sell_rate, sell_rate_dir = res
         sell = sell_rate if sell_rate_dir == "source_to_target" else 1/sell_rate
 
@@ -77,7 +77,7 @@ class Currency:
     def convert(self, amount, target):
         res = self.db.execute_and_fetch("SELECT rate, rate_dir FROM exchange_rates WHERE target = %s AND source = %s AND valid_since <= NOW() ORDER BY valid_since DESC LIMIT 1", [target.id, self.id])
         if res is None:
-            raise NameError("Currency.convert(): Unknown conversion " + self.name() + " to " + target.name())
+            raise NameError("Currency.convert(): Unknown conversion " + self.name + " to " + target.name)
         rate, rate_dir = res
         if rate_dir == "source_to_target":
             resamount = amount * rate