diff --git a/separate_users/management/commands/fix_proxy_permissions.py b/separate_users/management/commands/fix_proxy_permissions.py
index d43dfe6..244891c 100644
--- a/separate_users/management/commands/fix_proxy_permissions.py
+++ b/separate_users/management/commands/fix_proxy_permissions.py
@@ -1,3 +1,4 @@
+import inspect
 import sys
 
 from django.contrib.auth.management import _get_all_permissions
@@ -10,6 +11,7 @@
 # where this comes from: https://gist.github.com/magopian/7543724#gistcomment-2185491
 # as django adds permissions for proxy models in another app for the proxies parent
 # also, epic: https://code.djangoproject.com/ticket/11154
+# also: https://stackoverflow.com/questions/38391729/how-to-retrieve-all-permissions-of-a-specific-model-in-django
 class Command(BaseCommand):
     help = "Fix permissions for proxy models."
 
@@ -21,7 +23,13 @@ def handle(self, *args, **options):
                 app_label=opts.app_label,
                 model=opts.object_name.lower())
 
-            for codename, name in _get_all_permissions(opts):
+            argspecs = inspect.getargspec(_get_all_permissions)
+            if len(argspecs[0]) == 2:
+                # django < 1.10
+                all_permissions = _get_all_permissions(opts, ctype)
+            else:
+                all_permissions = _get_all_permissions(opts)
+            for codename, name in all_permissions:
                 sys.stdout.write('  --{}\n'.format(codename))
                 p, created = Permission.objects.get_or_create(
                     codename=codename,
diff --git a/separate_users/tests/test_admin.py b/separate_users/tests/test_admin.py
index a54e7e7..05e2684 100644
--- a/separate_users/tests/test_admin.py
+++ b/separate_users/tests/test_admin.py
@@ -1,7 +1,10 @@
 # -*- coding: utf-8 -*-
-from django.test import override_settings
+# from django.test import override_settings
 from django.test.testcases import TestCase
-from django.urls import reverse
+try:
+    from django.urls import reverse
+except ImportError:
+    from django.core.urlresolvers import reverse
 
 from separate_users.models import Editor, FrontendUser
 from separate_users.tests.utils.django_utils import create_superuser
diff --git a/setup.py b/setup.py
index 386d682..17b76dc 100755
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@ def read(fname):
     packages=find_packages(),
     install_requires=(
         # 'Django>=1.3,<1.5',  # no need to limit while in development
-        'Django>=1.11',
+        'Django>=1.8',
     ),
     include_package_data=True,
     zip_safe=False,
diff --git a/tox.ini b/tox.ini
index 655e28e..e9a6595 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,20 +16,20 @@ deps =
 
 [testenv:django18]
 deps =
-    django>=1.8, <1.9
     {[base]deps}
+    django>=1.8, <1.9
 
 [testenv:django19]
 deps =
-    django>=1.9, <1.10
     {[base]deps}
+    django>=1.9, <1.10
 
 [testenv:django110]
 deps =
-    django>=1.10, <1.11
     {[base]deps}
+    django>=1.10, <1.11
 
 [testenv:django111]
 deps =
+    {[base]deps}
     django>=1.11, <1.12
-    {[base]deps}
\ No newline at end of file