fix #3952

7 years ago · 99710099fb
1 changed files with 1 additions and 1 deletions
--- a/lib/wallet.py
+++ b/lib/wallet.py
@ -1027,7 +1027,7 @@ class Abstract_Wallet(PrintError):
                    fiat_default = False
                item['fiat_value'] = Fiat(fiat_value, fx.ccy)
                item['fiat_default'] = fiat_default
-                if value < 0:
+                if value is not None and value < 0:
                    ap, lp = self.capital_gain(tx_hash, fx.timestamp_rate, fx.ccy)
                    cg = lp - ap
                    item['acquisition_price'] = Fiat(ap, fx.ccy)