diff --git a/TODO b/TODO
index b97db7f5f..b09437ba8 100644
--- a/TODO
+++ b/TODO
@@ -10,6 +10,7 @@ Plugin architecture
     Ghostery/Disconnect?
     NoScript
     Certificate Patrol
+    https://chrome.google.com/webstore/detail/remove-google-redirects/ccenmflbeofaceccfhhggbagkblihpoh
 Insert mode
 Extern editor
 Hints
diff --git a/qutebrowser/utils/config.py b/qutebrowser/utils/config.py
index eccf9aa42..85e545f02 100644
--- a/qutebrowser/utils/config.py
+++ b/qutebrowser/utils/config.py
@@ -149,6 +149,8 @@ class Config(ConfigParser):
         self.default_cp = ConfigParser()
         self.default_cp.optionxform = lambda opt: opt  # be case-insensitive
         self.default_cp.read_string(default_config)
+        if not self.configdir:
+            return
         self.optionxform = lambda opt: opt  # be case-insensitive
         self.configdir = configdir
         self.configfile = os.path.join(self.configdir, self.FNAME)
diff --git a/qutebrowser/widgets/completion.py b/qutebrowser/widgets/completion.py
index 9e9c1f5c7..098e89002 100644
--- a/qutebrowser/widgets/completion.py
+++ b/qutebrowser/widgets/completion.py
@@ -6,6 +6,7 @@ subclasses to provide completions.
 """
 
 import html
+import logging
 
 from PyQt5.QtWidgets import (QTreeView, QStyledItemDelegate, QStyle,
                              QStyleOptionViewItem, QSizePolicy)
@@ -91,13 +92,16 @@ class CompletionView(QTreeView):
 
         e -- The QResizeEvent.
         """
+        super().resizeEvent(e)
         width = e.size().width()
         cols = self.model.columnCount()
+        colwidth = int(width / cols)
+        logging.debug('width {}, {} columns -> colwidth {}'.format(width, cols,
+                                                                   colwidth))
         assert cols >= 1
-        assert width / cols > 1
+        assert colwidth > 1
         for i in range(cols):
-            self.setColumnWidth(i, width / cols)
-        super().resizeEvent(e)
+            self.setColumnWidth(i, colwidth)
 
     def setmodel(self, model):
         """Switch completion to a new model.