diff --git a/platypush/config/__init__.py b/platypush/config/__init__.py
index d2de1fde..28c6beaa 100644
--- a/platypush/config/__init__.py
+++ b/platypush/config/__init__.py
@@ -530,5 +530,12 @@ class Config:
         # pylint: disable=protected-access
         cls._get_instance()._config[key] = value
 
+    @classmethod
+    def get_file(cls) -> str:
+        """
+        :return: The main configuration file path.
+        """
+        return cls._get_instance().config_file
+
 
 # vim:sw=4:ts=4:et:
diff --git a/platypush/entities/_base.py b/platypush/entities/_base.py
index c3089dde..2a739124 100644
--- a/platypush/entities/_base.py
+++ b/platypush/entities/_base.py
@@ -29,6 +29,7 @@ from sqlalchemy.orm import ColumnProperty, backref, relationship
 from sqlalchemy.orm.exc import ObjectDeletedError
 
 import platypush
+from platypush.config import Config
 from platypush.common.db import Base
 from platypush.message import JSONAble, Message
 
@@ -355,6 +356,8 @@ def run_db_migrations():
             '-c',
             alembic_ini,
             '-x',
+            f'CFGFILE={Config.get_file()}',
+            '-x',
             f'DBNAME={_get_db_engine().url}',
             'upgrade',
             'head',
diff --git a/platypush/migrations/alembic/env.py b/platypush/migrations/alembic/env.py
index 406b1f6e..d4aba707 100644
--- a/platypush/migrations/alembic/env.py
+++ b/platypush/migrations/alembic/env.py
@@ -74,6 +74,10 @@ def run_migrations_online() -> None:
 
 
 def set_db_engine():
+    app_conf_file = context.get_x_argument(as_dictionary=True).get('CFGFILE')
+    if app_conf_file:
+        Config.init(app_conf_file)
+
     engine_url = context.get_x_argument(as_dictionary=True).get('DBNAME')
     if not engine_url:
         db_conf = Config.get('db')