diff --git a/addons/web_im/__openerp__.py b/addons/web_im/__openerp__.py
index 438c33c3e2c..7353400b9e0 100644
--- a/addons/web_im/__openerp__.py
+++ b/addons/web_im/__openerp__.py
@@ -9,7 +9,9 @@ OpenERP Chat module
 ===================
 Allows users to chat with each other.
         """,
-    'data': [],
+    'data': [
+        'security/ir.model.access.csv',
+    ],
     'depends' : [],
     'js': ['static/src/js/*.js'],
     'css': ['static/src/css/*.css'],
diff --git a/addons/web_im/security/ir.model.access.csv b/addons/web_im/security/ir.model.access.csv
new file mode 100644
index 00000000000..4350b6a5941
--- /dev/null
+++ b/addons/web_im/security/ir.model.access.csv
@@ -0,0 +1,2 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_im_message,im.message,model_im_message,,1,1,1,1
\ No newline at end of file