X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/1a407848c86505b6491a2d11a269782154fd8582..75957f735219259d3b4bc361f80ccd3d7b92a0e9:/src/catalogue/api/views.py

diff --git a/src/catalogue/api/views.py b/src/catalogue/api/views.py
index 68626e6d6..34971c45f 100644
--- a/src/catalogue/api/views.py
+++ b/src/catalogue/api/views.py
@@ -159,7 +159,7 @@ class Preview(ListAPIView):
     def get_queryset(self):
         qs = Book.objects.filter(preview=True)
         # FIXME: temporary workaround for a problem with iOS app; see #3954.
-        if 'Darwin' in self.request.META['HTTP_USER_AGENT'] and 'debug' not in self.request.GET:
+        if 'Darwin' in self.request.META.get('HTTP_USER_AGENT', '') and 'debug' not in self.request.GET:
             qs = qs.none()
         return qs