diff --git a/src/flake8/style_guide.py b/src/flake8/style_guide.py
index 38fc29a..ebc01ed 100644
--- a/src/flake8/style_guide.py
+++ b/src/flake8/style_guide.py
@@ -146,8 +146,8 @@ class StyleGuide(object):
             return find_more_specific(extra_select, ignore)
         if select or (extra_select and self._using_default_select):
             return Decision.Selected
-        if ((select is None and extra_select is None) or
-                (not self._using_default_ignore and select is None)):
+        if (select is None and
+                (extra_select is None or not self._using_default_ignore)):
             return Decision.Ignored
         return Decision.Selected
 
diff --git a/tests/unit/test_style_guide.py b/tests/unit/test_style_guide.py
index 7ae77d7..5c24048 100644
--- a/tests/unit/test_style_guide.py
+++ b/tests/unit/test_style_guide.py
@@ -169,6 +169,8 @@ def test_should_report_error(select_list, ignore_list, error_code, expected):
         (['E2'], ['E21'], [], [], 'E212', style_guide.Decision.Ignored),
         (['F', 'W'], ['C90'], ['I1'], [], 'C901',
             style_guide.Decision.Ignored),
+        (['E', 'W'], ['C'], [], [], 'E131',
+            style_guide.Decision.Selected),
         (defaults.SELECT, defaults.IGNORE, [], ['I'], 'I101',
             style_guide.Decision.Selected),
         (defaults.SELECT, defaults.IGNORE, ['G'], ['I'], 'G101',