diff --git a/HISTORY.rst b/HISTORY.rst
index a2d231d..61780a4 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -15,6 +15,7 @@ History
 * Fix some issues with haystack indexes
 * Add support for moved ThumbnailOption
 * Fix Django 1.9 issues
+* Fix copy relations method in plugins
 
 0.6.3 (2015-12-22)
 ++++++++++++++++++
diff --git a/djangocms_blog/models.py b/djangocms_blog/models.py
index 8de9272..564c570 100644
--- a/djangocms_blog/models.py
+++ b/djangocms_blog/models.py
@@ -324,6 +324,8 @@ class LatestPostsPlugin(BasePostPlugin):
     def copy_relations(self, oldinstance):
         for tag in oldinstance.tags.all():
             self.tags.add(tag)
+        for category in oldinstance.categories.all():
+            self.categories.add(category)
 
     def get_posts(self, request):
         posts = self.post_queryset(request)
diff --git a/tests/test_plugins.py b/tests/test_plugins.py
index cb209f2..8a241d9 100644
--- a/tests/test_plugins.py
+++ b/tests/test_plugins.py
@@ -59,6 +59,24 @@ class PluginTest(BaseTest):
         self.assertTrue(rendered.find('<article id="post-second-post"') > -1)
         self.assertTrue(rendered.find(posts[1].get_absolute_url()) > -1)
 
+        # Checking copy relations
+        ph = pages[0].placeholders.get(slot='content')
+        original = ph.get_plugins('en')
+        pages[0].publish('en')
+        published = pages[0].get_public_object()
+        ph = published.placeholders.get(slot='content')
+        new = ph.get_plugins('en')
+        self.assertNotEqual(original, new)
+
+        casted_tags, __ = new[0].get_plugin_instance()
+        casted_categories, __ = new[1].get_plugin_instance()
+
+        self.assertEqual(casted_tags.tags.count(), 1)
+        self.assertEqual(casted_tags.categories.count(), 0)
+
+        self.assertEqual(casted_categories.tags.count(), 0)
+        self.assertEqual(casted_categories.categories.count(), 1)
+
     def test_plugin_authors(self):
         pages = self.get_pages()
         posts = self.get_posts()
@@ -73,6 +91,36 @@ class PluginTest(BaseTest):
         rendered = plugin.render_plugin(context, ph)
         self.assertTrue(rendered.find('No article found') > -1)
 
+        plugin.authors.add(self.user)
+        context = self.get_plugin_context(pages[0], 'en', plugin, edit=True)
+        rendered = plugin.render_plugin(context, ph)
+        self.assertTrue(rendered.find('/en/blog/author/admin/') > -1)
+        self.assertTrue(rendered.find('2 articles') > -1)
+
+        plugin.authors.add(self.user_staff)
+        context = self.get_plugin_context(pages[0], 'en', plugin, edit=True)
+        rendered = plugin.render_plugin(context, ph)
+        self.assertTrue(rendered.find('/en/blog/author/staff/') > -1)
+        self.assertTrue(rendered.find('0 articles') > -1)
+
+        plugin.authors.add(self.user_normal)
+        context = self.get_plugin_context(pages[0], 'en', plugin, edit=True)
+        rendered = plugin.render_plugin(context, ph)
+        self.assertTrue(rendered.find('/en/blog/author/normal/') > -1)
+        self.assertTrue(rendered.find('0 articles') > -1)
+
+        # Checking copy relations
+        ph = pages[0].placeholders.get(slot='content')
+        original = ph.get_plugins('en')
+        pages[0].publish('en')
+        published = pages[0].get_public_object()
+        ph = published.placeholders.get(slot='content')
+        new = ph.get_plugins('en')
+        self.assertNotEqual(original, new)
+
+        casted_authors, __ = new[0].get_plugin_instance()
+        self.assertEqual(casted_authors.authors.count(), 3)
+
     def test_plugin_tags(self):
         pages = self.get_pages()
         posts = self.get_posts()
diff --git a/tests/test_wizards.py b/tests/test_wizards.py
index 56fe2a2..b3da377 100644
--- a/tests/test_wizards.py
+++ b/tests/test_wizards.py
@@ -67,7 +67,7 @@ class WizardTest(BaseTest):
                 }, prefix=1)
                 self.assertEqual(form.default_appconfig, app_config)
                 self.assertTrue(form.is_valid())
-                self.assertTrue(form.cleaned_data['app_config'], app_config)
+                self.assertEqual(form.cleaned_data['app_config'].pk, app_config)
                 instance = form.save()
                 self.assertEqual(instance.author, self.user_staff)
 
@@ -81,7 +81,7 @@ class WizardTest(BaseTest):
                     }, prefix=1)
                     self.assertEqual(form.default_appconfig, app_config)
                     self.assertTrue(form.is_valid())
-                    self.assertTrue(form.cleaned_data['app_config'], app_config)
+                    self.assertEqual(form.cleaned_data['app_config'].pk, app_config)
                     instance = form.save()
                     self.assertEqual(instance.author, self.user_normal)