lib/currencies/currency.rb in currencies-0.1.0 vs lib/currencies/currency.rb in currencies-0.1.1

@@ -10,10 +10,10 @@
   def initialize(iso_code,opts={})
     @code = iso_code.to_s.upcase
     @name = opts['name']
     @symbol = opts['symbol']
     @exchange_currency = opts['exchange_currency'] || Currency.base_currency
-    @exchange_rate = opts['exchange_rate'].to_f
+    @exchange_rate = opts['exchange_rate'].to_f if opts['exchange_rate']
   end
   
   def exchange_rate
     @exchange_rate = nil unless @exchange_currency == Currency.base_currency
     @exchange_rate ||= load_exchange_rate
\ No newline at end of file