diff --git a/app_namespace/demo/application_appconfig/__init__.py b/app_namespace/demo/application_appconfig/__init__.py
new file mode 100644
index 0000000..a3fc177
--- /dev/null
+++ b/app_namespace/demo/application_appconfig/__init__.py
@@ -0,0 +1,3 @@
+"""
+demo.application_extension
+"""
diff --git a/app_namespace/demo/application_appconfig/apps.py b/app_namespace/demo/application_appconfig/apps.py
new file mode 100644
index 0000000..99eefc1
--- /dev/null
+++ b/app_namespace/demo/application_appconfig/apps.py
@@ -0,0 +1,7 @@
+"""Apps for application_appconfig"""
+from django.apps import AppConfig
+
+
+class ApplicationConfig(AppConfig):
+    name = __name__
+    label = 'appconfig'
diff --git a/app_namespace/demo/application_appconfig/templates/application/template.html b/app_namespace/demo/application_appconfig/templates/application/template.html
new file mode 100644
index 0000000..aa6be6d
--- /dev/null
+++ b/app_namespace/demo/application_appconfig/templates/application/template.html
@@ -0,0 +1,8 @@
+{% extends ":application/template.html" %}
+
+{% block list %}
+<li>
+  <code>application_appconfig:application/template.html</code>
+</li>
+{{ block.super }}
+{% endblock%}
diff --git a/app_namespace/demo/settings.py b/app_namespace/demo/settings.py
index ef91a34..ac25cdc 100644
--- a/app_namespace/demo/settings.py
+++ b/app_namespace/demo/settings.py
@@ -40,7 +40,8 @@
 
 INSTALLED_APPS = (
     'app_namespace.demo.application_extension',
-    'app_namespace.demo.application'
+    'app_namespace.demo.application_appconfig.apps.ApplicationConfig',
+    'app_namespace.demo.application',
 )
 
 SILENCED_SYSTEM_CHECKS = ['1_7.W001', '1_8.W001']
diff --git a/app_namespace/loader.py b/app_namespace/loader.py
index 2d8b8db..6d0e038 100644
--- a/app_namespace/loader.py
+++ b/app_namespace/loader.py
@@ -42,12 +42,37 @@ def get_app_template_path(self, app, template_path):
         """
         return safe_join(self.app_templates_dirs[app], template_path)
 
+    def app_templates_dirs_django_18(self):
+        """
+        Build a cached dict with settings.INSTALLED_APPS as keys
+        and the 'templates' directory of each application as values.
+        """
+        from django.apps import apps
+        from django.utils._os import upath
+
+        app_templates_dirs = OrderedDict()
+        for app_config in apps.get_app_configs():
+            if not app_config.path:
+                continue
+            templates_dir = os.path.join(
+                app_config.path, 'templates')
+            if os.path.isdir(templates_dir):
+                templates_dir = upath(templates_dir)
+                app_templates_dirs[app_config.name] = templates_dir
+                app_templates_dirs[app_config.label] = templates_dir
+        return app_templates_dirs
+
     @cached_property
     def app_templates_dirs(self):
         """
         Build a cached dict with settings.INSTALLED_APPS as keys
         and the 'templates' directory of each application as values.
         """
+        try:
+            return self.app_templates_dirs_django_18()
+        except ImportError:
+            pass
+
         app_templates_dirs = OrderedDict()
         for app in settings.INSTALLED_APPS:
             try:
diff --git a/app_namespace/tests/tests.py b/app_namespace/tests/tests.py
index d53f9d7..81eec66 100644
--- a/app_namespace/tests/tests.py
+++ b/app_namespace/tests/tests.py
@@ -7,7 +7,6 @@
 
 import django
 from django.test import TestCase
-from django.conf import settings
 from django.template.base import Context
 from django.template.base import Template
 from django.template.base import TemplateDoesNotExist
@@ -235,31 +234,27 @@ def setUp(self):
                          self.template_extend or self.template_initial) %
                         {'app': app})
 
-        # Register the apps in settings
-        self.original_installed_apps = settings.INSTALLED_APPS[:]
-        settings.INSTALLED_APPS = list(settings.INSTALLED_APPS)
-        settings.INSTALLED_APPS.extend(self.apps)
-
     def tearDown(self):
         super(MultiAppTestCase, self).tearDown()
         sys.path.remove(self.app_directory)
         for app in self.apps:
             del sys.modules[app]
         shutil.rmtree(self.app_directory)
-        settings.INSTALLED_APPS = self.original_installed_apps
 
     def multiple_extend_empty_namespace(self):
-        context = Context({})
-        template = Template(
-            self.template_extend % {'app': 'top-level'}
-            ).render(context)
-        previous_app = ''
-        for test_app in ['top-level'] + self.apps:
-            self.assertTrue(test_app in template)
-            if previous_app:
-                self.assertTrue(template.index(test_app) >
-                                template.index(previous_app))
-            previous_app = test_app
+        with self.settings(INSTALLED_APPS=self.apps +
+                           ['django.contrib.admin']):  # Django 1.4 Fix
+            context = Context({})
+            template = Template(
+                self.template_extend % {'app': 'top-level'}
+                ).render(context)
+            previous_app = ''
+            for test_app in ['top-level'] + self.apps:
+                self.assertTrue(test_app in template)
+                if previous_app:
+                    self.assertTrue(template.index(test_app) >
+                                    template.index(previous_app))
+                previous_app = test_app
 
     @override_settings(
         TEMPLATE_LOADERS=(
diff --git a/setup.py b/setup.py
index 470cb41..dd98b27 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 from setuptools import setup
 from setuptools import find_packages
 
-__version__ = '0.3'
+__version__ = '0.3.1'
 __license__ = 'BSD License'
 
 __author__ = 'Fantomas42'