diff --git a/freqtrade/pairlist/StaticList.py b/freqtrade/pairlist/StaticList.py
index 225f89b2e..3c46fab11 100644
--- a/freqtrade/pairlist/StaticList.py
+++ b/freqtrade/pairlist/StaticList.py
@@ -30,7 +30,7 @@ class StaticList(object):
 
     def refresh_whitelist(self) -> None:
         """
-        Refreshes whitelist.
+        Refreshes whitelist and assigns it to self._whitelist
         """
         self._whitelist = self.validate_whitelist(self._config['exchange']['pair_whitelist'])
 
diff --git a/freqtrade/tests/test_acl_pair.py b/freqtrade/tests/test_acl_pair.py
index 6ec11e664..d9fd93d09 100644
--- a/freqtrade/tests/test_acl_pair.py
+++ b/freqtrade/tests/test_acl_pair.py
@@ -6,7 +6,7 @@ from freqtrade.tests.conftest import get_patched_freqtradebot
 
 import pytest
 
-# whitelist, blacklist,
+# whitelist, blacklist
 
 
 @pytest.fixture(scope="function")
@@ -41,7 +41,7 @@ def test_refresh_market_pair_not_in_whitelist(mocker, markets, whitelist_conf):
             freqtradebot.config['exchange']['pair_whitelist'])
 
 
-def test_refresh_whitelist(mocker, markets, whitelist_conf):
+def test_refresh_pairlists(mocker, markets, whitelist_conf):
     freqtradebot = get_patched_freqtradebot(mocker, whitelist_conf)
 
     mocker.patch('freqtrade.exchange.Exchange.get_markets', markets)
@@ -50,6 +50,7 @@ def test_refresh_whitelist(mocker, markets, whitelist_conf):
     whitelist = ['ETH/BTC', 'TKN/BTC']
     # Ensure all except those in whitelist are removed
     assert whitelist == freqtradebot.pairlists.whitelist
+    assert whitelist_conf['exchange']['pair_blacklist'] == freqtradebot.pairlists.blacklist
 
 
 def test_refresh_whitelist_dynamic(mocker, markets, tickers, whitelist_conf):