diff --git a/qutebrowser/config/configtypes.py b/qutebrowser/config/configtypes.py
index 0cc7592b4..d74aa6a0a 100644
--- a/qutebrowser/config/configtypes.py
+++ b/qutebrowser/config/configtypes.py
@@ -25,6 +25,7 @@ import base64
 import codecs
 import os.path
 import sre_constants
+import itertools
 
 from PyQt5.QtCore import QUrl
 from PyQt5.QtGui import QColor, QFont
@@ -1223,14 +1224,55 @@ class AcceptCookies(BaseType):
                                ('never', "Don't accept cookies at all."))
 
 
-class ConfirmQuit(BaseType):
+class ConfirmQuit(List):
 
     """Whether to display a confirmation when the window is closed."""
 
+    typestr = 'string-list'
+
     valid_values = ValidValues(('always', "Always show a confirmation."),
                                ('multiple-tabs', "Show a confirmation if "
                                                  "multiple tabs are opened."),
+                               ('downloads', "Show a confirmation if "
+                                             "downloads are running"),
                                ('never', "Never show a confirmation."))
+    # Values that can be combined with commas
+    combinable_values = ('multiple-tabs', 'downloads')
+
+    def validate(self, value):
+        values = self.transform(value)
+        # Never can't be set with other options
+        if 'never' in values and len(values) > 1:
+            raise configexc.ValidationError(
+                value, "List cannot contain never!")
+        # Always can't be set with other options
+        elif 'always' in values and len(values) > 1:
+            raise configexc.ValidationError(
+                value, "List cannot contain always!")
+        # Values have to be valid
+        elif not set(values).issubset(set(self.valid_values.values)):
+            raise configexc.ValidationError(
+                value, "List contains invalid values!")
+        # List can't have duplicates
+        elif len(set(values)) != len(values):
+            raise configexc.ValidationError(
+                value, "List contains duplicate values!")
+
+    def complete(self):
+        combinations = []
+        # Generate combinations of the options that can be combined
+        for size in range(2, len(self.combinable_values) + 1):
+            combinations += list(
+                itertools.combinations(self.combinable_values, size))
+        out = []
+        # Add valid single values
+        for val in self.valid_values:
+            out.append((val, self.valid_values.descriptions[val]))
+        # Add combinations to list of options
+        for val in combinations:
+            desc = ''
+            out.append((','.join(val), desc))
+        return out
 
 
 class ForwardUnboundKeys(BaseType):
diff --git a/qutebrowser/mainwindow/mainwindow.py b/qutebrowser/mainwindow/mainwindow.py
index 2b2311dd2..c5a0b00a9 100644
--- a/qutebrowser/mainwindow/mainwindow.py
+++ b/qutebrowser/mainwindow/mainwindow.py
@@ -327,18 +327,32 @@ class MainWindow(QWidget):
     def closeEvent(self, e):
         """Override closeEvent to display a confirmation if needed."""
         confirm_quit = config.get('ui', 'confirm-quit')
-        count = self._tabbed_browser.count()
-        if confirm_quit == 'never':
+        tab_count = self._tabbed_browser.count()
+        download_manager = objreg.get('download-manager', scope='window',
+                                      window=self.win_id)
+        download_count = download_manager.rowCount()
+        quit_texts = []
+        # Close if set to never ask for confirmation
+        if 'never' in confirm_quit:
             pass
-        elif confirm_quit == 'multiple-tabs' and count <= 1:
-            pass
-        else:
-            text = "Close {} {}?".format(
-                count, "tab" if count == 1 else "tabs")
+        # Ask if multiple-tabs are open
+        if 'multiple-tabs' in confirm_quit and tab_count > 1:
+            quit_texts.append("{} {} open.".format(
+                tab_count, "tab is" if tab_count == 1 else "tabs are"))
+        # Ask if multiple downloads running
+        if 'downloads' in confirm_quit and download_count > 0:
+            quit_texts.append("{} {} running.".format(
+                tab_count,
+                "download is" if tab_count == 1 else "downloads are"))
+        # Process all quit messages that user must confirm
+        if quit_texts or 'always' in confirm_quit:
+            text = '\n'.join(['Really quit?'] + quit_texts)
             confirmed = message.ask(self.win_id, text,
-                                    usertypes.PromptMode.yesno, default=True)
+                                    usertypes.PromptMode.yesno,
+                                    default=True)
+            # Stop asking if the user cancels
             if not confirmed:
-                log.destroy.debug("Cancelling losing of window {}".format(
+                log.destroy.debug("Cancelling closing of window {}".format(
                     self.win_id))
                 e.ignore()
                 return