diff --git a/doc/conf.py b/doc/conf.py
index 201710aad..7837ec9db 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -52,7 +52,7 @@ copyright = u'2015, Antoine Nguyen'
 # The short X.Y version.
 version = '1.4'
 # The full version, including alpha/beta/rc tags.
-release = '1.4.3'
+release = '1.4.4'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/modoboa/core/views/admin.py b/modoboa/core/views/admin.py
index 56d0b19df..9d1fc83b6 100644
--- a/modoboa/core/views/admin.py
+++ b/modoboa/core/views/admin.py
@@ -8,7 +8,6 @@ from django.shortcuts import render
 from django.template.loader import render_to_string
 from django.utils.translation import ugettext as _
 
-from modoboa.core.extensions import exts_pool
 from modoboa.core.models import Log
 from modoboa.core.utils import check_for_updates
 from modoboa.lib import events, parameters
diff --git a/modoboa/lib/db_utils.py b/modoboa/lib/db_utils.py
index 156fc5077..42c8dd55f 100644
--- a/modoboa/lib/db_utils.py
+++ b/modoboa/lib/db_utils.py
@@ -7,23 +7,9 @@ from django.utils.translation import ugettext as _
 from modoboa.lib.exceptions import InternalError
 
 
-def db_table_exists(table, cursor=None):
-    """Check if table exists
-
-    Taken from here:
-    https://gist.github.com/527113/307c2dec09ceeb647b8fa1d6d49591f3352cb034
-
-    """
-    try:
-        if not cursor:
-            cursor = connection.cursor()
-        if not cursor:
-            raise Exception
-        table_names = connection.introspection.get_table_list(cursor)
-    except:
-        raise Exception("unable to determine if the table '%s' exists" % table)
-    else:
-        return table in table_names
+def db_table_exists(table):
+    """Check if table exists."""
+    return table in connection.introspection.table_names()
 
 
 def db_type(cname="default"):
diff --git a/setup.py b/setup.py
index b2da720f2..1bced22b9 100644
--- a/setup.py
+++ b/setup.py
@@ -54,7 +54,7 @@ def read(fname):
 
 setup(
     name="modoboa",
-    version='1.4.3',
+    version='1.4.4',
     url='http://modoboa.org/',
     license='MIT',
     description="Mail hosting made simple",