diff --git a/muk_session_store/README.rst b/muk_session_store/README.rst
index 51c2b7a..3398289 100644
--- a/muk_session_store/README.rst
+++ b/muk_session_store/README.rst
@@ -110,6 +110,7 @@ The following fields can be modified in the config file:
 **Postgres:** 
 
 * session_store_dbname
+* session_store_dbtable
 
 **Redis:** 
 
diff --git a/muk_session_store/__manifest__.py b/muk_session_store/__manifest__.py
index d6b0f1c..362153d 100644
--- a/muk_session_store/__manifest__.py
+++ b/muk_session_store/__manifest__.py
@@ -23,7 +23,7 @@
 {
     "name": "MuK Session Store",
     "summary": """Session Store Options""",
-    "version": "12.0.2.0.1",
+    "version": "12.0.2.1.0",
     "category": "Extra Tools",
     "license": "LGPL-3",
     "website": "http://www.mukit.at",
diff --git a/muk_session_store/doc/index.rst b/muk_session_store/doc/index.rst
index 51c2b7a..3398289 100644
--- a/muk_session_store/doc/index.rst
+++ b/muk_session_store/doc/index.rst
@@ -110,6 +110,7 @@ The following fields can be modified in the config file:
 **Postgres:** 
 
 * session_store_dbname
+* session_store_dbtable
 
 **Redis:** 
 
diff --git a/muk_session_store/store/postgres.py b/muk_session_store/store/postgres.py
index a37d3a5..94b174d 100644
--- a/muk_session_store/store/postgres.py
+++ b/muk_session_store/store/postgres.py
@@ -20,7 +20,7 @@
 #
 ###################################################################################
 
-import json
+import pickle
 import logging
 import psycopg2
 import functools
@@ -53,6 +53,7 @@ class PostgresSessionStore(SessionStore):
     def __init__(self, *args, **kwargs):
         super(PostgresSessionStore, self).__init__(*args, **kwargs)
         self.dbname = config.get('session_store_dbname', 'session_store')
+        self.dbtable = config.get('session_store_dbtable', 'odoo_sessions')
         self._setup_database(raise_exception=False)
     
     def _setup_database(self, raise_exception=True):
@@ -75,12 +76,12 @@ class PostgresSessionStore(SessionStore):
 
     def _create_table(self, cursor):
         cursor.execute("""
-            CREATE TABLE IF NOT EXISTS sessions (
+            CREATE TABLE IF NOT EXISTS {dbtable} (
                 sid varchar PRIMARY KEY,
                 write_date timestamp without time zone NOT NULL,
-                payload text NOT NULL
+                payload bytea NOT NULL
             );
-        """)
+        """.format(dbtable=self.dbtable))
 
     @contextmanager
     def open_cursor(self):
@@ -94,16 +95,21 @@ class PostgresSessionStore(SessionStore):
     def save(self, session):
         with self.open_cursor() as cursor:
             cursor.execute("""
-                INSERT INTO sessions (sid, write_date, payload)
+                INSERT INTO {dbtable} (sid, write_date, payload)
                 VALUES (%(sid)s, now() at time zone 'UTC', %(payload)s)
                 ON CONFLICT (sid)
                 DO UPDATE SET payload = %(payload)s, write_date = now() at time zone 'UTC';
-            """, dict(sid=session.sid, payload=json.dumps(dict(session))))
+            """.format(dbtable=self.dbtable), dict(
+                sid=session.sid,
+                payload=psycopg2.Binary(
+                    pickle.dumps(dict(session), pickle.HIGHEST_PROTOCOL)
+                )
+            ))
         
     @retry_database
     def delete(self, session):
         with self.open_cursor() as cursor:
-            cursor.execute("DELETE FROM sessions WHERE sid=%s;", [session.sid])
+            cursor.execute("DELETE FROM {dbtable} WHERE sid=%s;".format(dbtable=self.dbtable), [session.sid])
 
     @retry_database
     def get(self, sid):
@@ -112,30 +118,30 @@ class PostgresSessionStore(SessionStore):
         with self.open_cursor() as cursor:
             cursor.execute("""
                 SELECT payload, write_date 
-                FROM sessions WHERE sid=%s;
-            """, [sid])
+                FROM {dbtable} WHERE sid=%s;
+            """.format(dbtable=self.dbtable), [sid])
             try:
                 payload, write_date = cursor.fetchone()
                 if write_date.date() != datetime.today().date():
                     cursor.execute("""
-                        UPDATE sessions 
+                        UPDATE {dbtable} 
                         SET write_date = now() at time zone 'UTC' 
                         WHERE sid=%s;
-                    """, [sid])
-                return self.session_class(json.loads(payload), sid, False)
+                    """.format(dbtable=self.dbtable), [sid])
+                return self.session_class(pickle.loads(payload), sid, False)
             except Exception:
                 return self.session_class({}, sid, False)
     
     @retry_database
     def list(self):
         with self.open_cursor() as cursor:
-            cursor.execute("SELECT sid FROM sessions;")
+            cursor.execute("SELECT sid FROM {dbtable};".format(dbtable=self.dbtable))
             return [record[0] for record in cursor.fetchall()]
     
     @retry_database
     def clean(self):
         with self.open_cursor() as cursor:
             cursor.execute("""
-                DELETE FROM sessions 
+                DELETE FROM {dbtable} 
                 WHERE now() at time zone 'UTC' - write_date > '7 days';
-            """)
\ No newline at end of file
+            """.format(dbtable=self.dbtable))
\ No newline at end of file