diff --git a/freqtrade/fiat_convert.py b/freqtrade/fiat_convert.py
index 3ec4c8c76..68f27e448 100644
--- a/freqtrade/fiat_convert.py
+++ b/freqtrade/fiat_convert.py
@@ -182,8 +182,9 @@ class CryptoToFiatConverter(object):
             raise ValueError('The fiat {} is not supported.'.format(fiat_symbol))
 
         if crypto_symbol not in self.CRYPTOMAP:
-            raise ValueError(
-                'The crypto symbol {} is not supported.'.format(crypto_symbol))
+            # simply return 0 for unsupported stake currencies (fiat-convert should not break the bot)
+            logger.warning("unsupported crypto-symbol %s - returning 0.0", crypto_symbol)
+            return 0.0
         try:
             return float(
                 self._coinmarketcap.ticker(
diff --git a/freqtrade/tests/test_fiat_convert.py b/freqtrade/tests/test_fiat_convert.py
index dcbc7b936..358148aa0 100644
--- a/freqtrade/tests/test_fiat_convert.py
+++ b/freqtrade/tests/test_fiat_convert.py
@@ -77,8 +77,8 @@ def test_fiat_convert_find_price(mocker):
     with pytest.raises(ValueError, match=r'The fiat ABC is not supported.'):
         fiat_convert._find_price(crypto_symbol='BTC', fiat_symbol='ABC')
 
-    with pytest.raises(ValueError, match=r'The crypto symbol XRP is not supported.'):
-        fiat_convert.get_price(crypto_symbol='XRP', fiat_symbol='USD')
+    # with pytest.raises(ValueError, match=r'The crypto symbol XRP is not supported.'):
+    assert fiat_convert.get_price(crypto_symbol='XRP', fiat_symbol='USD') == 0.0
 
     mocker.patch('freqtrade.fiat_convert.CryptoToFiatConverter._find_price', return_value=12345.0)
     assert fiat_convert.get_price(crypto_symbol='BTC', fiat_symbol='USD') == 12345.0