diff --git a/mail_multi_website/__init__.py b/mail_multi_website/__init__.py
index df93f13..9e1e509 100644
--- a/mail_multi_website/__init__.py
+++ b/mail_multi_website/__init__.py
@@ -10,7 +10,9 @@ def post_init_hook(cr, registry):
 
     env = api.Environment(cr, SUPERUSER_ID, {})
 
-    env.cr.execute("ALTER TABLE res_users ADD COLUMN email_multi_website VARCHAR")
+    env.cr.execute(
+        "ALTER TABLE res_users ADD COLUMN IF NOT EXISTS email_multi_website VARCHAR"
+    )
 
     # fill new email column with values from partner
     for user in env["res.users"].with_context(active_test=False).search([]):
diff --git a/mail_multi_website/__manifest__.py b/mail_multi_website/__manifest__.py
index 58dc602..6f09890 100644
--- a/mail_multi_website/__manifest__.py
+++ b/mail_multi_website/__manifest__.py
@@ -4,9 +4,8 @@
     "name": """Multi-Brand Mailing""",
     "summary": """Use single Backend to manage several Websites""",
     "category": "Discuss",
-    # "live_test_url": "http://apps.it-projects.info/shop/product/website-multi-company?version=11.0",
     "images": ["images/main.jpg"],
-    "version": "11.0.1.0.0",
+    "version": "11.0.1.0.1",
     "application": False,
     "author": "IT-Projects LLC, Ivan Yelizariev",
     "support": "apps@itpp.dev",
@@ -25,14 +24,4 @@
     "uninstall_hook": "uninstall_hook",
     "auto_install": False,
     "installable": True,
-    # "demo_title": "Email Addresses per Website",
-    # "demo_addons": [
-    # ],
-    # "demo_addons_hidden": [
-    # ],
-    # "demo_url": "DEMO-URL",
-    # "demo_summary": "Use single Backend to manage several Websites",
-    # "demo_images": [
-    #    "images/MAIN_IMAGE",
-    # ]
 }
diff --git a/mail_multi_website/doc/changelog.rst b/mail_multi_website/doc/changelog.rst
index 5583eb3..d154cfe 100644
--- a/mail_multi_website/doc/changelog.rst
+++ b/mail_multi_website/doc/changelog.rst
@@ -1,3 +1,8 @@
+`1.0.1`
+-------
+
+**Fix:** bug after reinstallation
+
 `1.0.0`
 -------