diff --git a/packages/urls.py b/packages/urls.py
index 1f25e3fd..6c616297 100644
--- a/packages/urls.py
+++ b/packages/urls.py
@@ -30,10 +30,10 @@
 
     (r'^(?P<name>[A-z0-9\-+.]+)/$',
         'details'),
-    (r'^(?P<repo>[A-z0-9\-]+)/(?P<name>[A-z0-9\-+.]+)/$',
+    (r'^(?P<repo>[A-z0-9\-]+)/(?P<name>[^ /]+)/$',
         'details'),
     # canonical package url. subviews defined above
-    (r'^(?P<repo>[A-z0-9\-]+)/(?P<arch>[A-z0-9]+)/(?P<name>[A-z0-9\-+.]+)/',
+    (r'^(?P<repo>[A-z0-9\-]+)/(?P<arch>[A-z0-9]+)/(?P<name>[^ /]+)/',
         include(package_patterns)),
 )
 
diff --git a/packages/urls_groups.py b/packages/urls_groups.py
index c561e50d..d609944b 100644
--- a/packages/urls_groups.py
+++ b/packages/urls_groups.py
@@ -3,7 +3,7 @@
 urlpatterns = patterns('packages.views',
     (r'^$',                     'groups', {}, 'groups-list'),
     (r'^(?P<arch>[A-z0-9]+)/$', 'groups'),
-    (r'^(?P<arch>[A-z0-9]+)/(?P<name>[A-z0-9\-+.]+)/$', 'group_details'),
+    (r'^(?P<arch>[A-z0-9]+)/(?P<name>[^ /]+)/$', 'group_details'),
 )
 
 # vim: set ts=4 sw=4 et: