diff --git a/cps/constants.py b/cps/constants.py
index ac48a5b8..613d17ac 100644
--- a/cps/constants.py
+++ b/cps/constants.py
@@ -21,8 +21,10 @@ import sys
 import os
 from collections import namedtuple
 
-# if installed via pip this variable is set to true
-HOME_CONFIG = False
+# if installed via pip this variable is set to true (empty file with name .HOMEDIR present)
+HOME_CONFIG = os.path.isfile(os.path.join(os.path.dirname(os.path.abspath(__file__)), '.HOMEDIR'))
+
+#In executables updater is not available, so variable is set to False there
 UPDATER_AVAILABLE = True
 
 # Base dir is parent of current file, necessary if called from different folder
diff --git a/cps/updater.py b/cps/updater.py
index b03a0844..4d5117a9 100644
--- a/cps/updater.py
+++ b/cps/updater.py
@@ -227,7 +227,7 @@ class Updater(threading.Thread):
             os.sep + 'vendor', os.sep + 'calibre-web.log', os.sep + '.git', os.sep + 'client_secrets.json',
             os.sep + 'gdrive_credentials', os.sep + 'settings.yaml', os.sep + 'venv', os.sep + 'virtualenv',
             os.sep + 'access.log', os.sep + 'access.log1', os.sep + 'access.log2',
-            os.sep + '.calibre-web.log.swp', os.sep + '_sqlite3.so'
+            os.sep + '.calibre-web.log.swp', os.sep + '_sqlite3.so', os.sep + 'cps' + os.sep + '.HOMEDIR'
         )
         additional_path = self.is_venv()
         if additional_path: