diff --git a/bip/tests/test_bip_utils_config.py b/bip/tests/test_bip_utils_config.py
index 7718106c045400b430a0f53b78a24c410114d7cf..4b531e0af8214529e0ee1beabc813e73fa7ebcdb 100644
--- a/bip/tests/test_bip_utils_config.py
+++ b/bip/tests/test_bip_utils_config.py
@@ -139,6 +139,14 @@ def test_Config_resolve_selectors():
             assert result[k] == v
 
 
+    # selector/setting conflict - probably
+    # invalid, but function shouold not crash
+    indict    = {'subject' : '12345', 'param1' : '1'}
+    selectors = {'subject' : '12345'}
+    result    = config.Config.resolve_selectors(indict, selectors)
+    assert dicts_equal(indict, result)
+
+
 def test_Config_load_config_file():
 
     configtoml = tw.dedent("""