diff --git a/mkp/__init__.py b/mkp/__init__.py
index d1335f3d5d775b10211801c32acc6f7da57a007c..7fac1991e01393f58d535b8f8adfa7304924652a 100644
--- a/mkp/__init__.py
+++ b/mkp/__init__.py
@@ -12,7 +12,7 @@ __version__ = get_versions()['version']
 del get_versions
 
 _DIRECTORIES = [
-    'agents', 'checkman', 'checks', 'doc', 'inventory', 'notifications',
+    'agents', 'checkman', 'checks', 'doc', 'inventory', 'notifications', 'cmk_addons_plugins',
     'pnp-templates', 'web',
 ]
 
diff --git a/test/test_mkp.py b/test/test_mkp.py
index 1496eca0673ff8c6dd1c8b82a7398a7f4916a4c2..1b22992bec36e03c5a35e1b8679f3a0eb7170c75 100644
--- a/test/test_mkp.py
+++ b/test/test_mkp.py
@@ -7,7 +7,7 @@ import pytest
 import mkp
 
 DIRECTORIES = [
-    'agents', 'checkman', 'checks', 'doc', 'inventory', 'notifications',
+    'agents', 'checkman', 'checks', 'doc', 'inventory', 'notifications',  'cmk_addons_plugins',
     'pnp-templates', 'web',
 ]