diff --git a/qutebrowser/misc/earlyinit.py b/qutebrowser/misc/earlyinit.py
index c53492360..36a93786a 100644
--- a/qutebrowser/misc/earlyinit.py
+++ b/qutebrowser/misc/earlyinit.py
@@ -59,9 +59,13 @@ def _missing_str(name, *, windows=None, pip=None, webengine=False):
              'distributions packages, or install it via pip.'.format(name)]
     blocks.append('<br />'.join(lines))
     if webengine:
-        lines = ['Note QtWebEngine is not available for some distributions '
-                 '(like Debian/Ubuntu), so you need to start without '
-                 '--backend webengine there.']
+        lines = [
+            'Note QtWebEngine is not available for some distributions '
+                '(like Debian/Ubuntu), so you need to start without '
+                '--backend webengine there.',
+            'QtWebEngine is currently unsupported with the OS X .app, see '
+                'https://github.com/The-Compiler/qutebrowser/issues/1692',
+        ]
     else:
         lines = ['<b>If you installed a qutebrowser package for your '
                  'distribution, please report this as a bug.</b>']