diff --git a/addons/document/content_index.py b/addons/document/content_index.py
index 9fc0023e833..9e47621b4c3 100644
--- a/addons/document/content_index.py
+++ b/addons/document/content_index.py
@@ -158,7 +158,8 @@ class contentIndex():
                     os.write(fd, content)
                     os.close(fd)
             
-                fp = Popen(['file','-b','--mime-type',fname], shell=False, stdout=PIPE).stdout
+                #fp = Popen(['file','-b','--mime-type',fname], shell=False, stdout=PIPE).stdout
+                fp = Popen(['file','-b',fname], shell=False, stdout=PIPE).stdout
                 result = fp.read()
                 fp.close()
                 mime2 = result.strip()
diff --git a/addons/document/document_directory.py b/addons/document/document_directory.py
index bcb86d589d2..17c3dfb66d9 100644
--- a/addons/document/document_directory.py
+++ b/addons/document/document_directory.py
@@ -65,14 +65,14 @@ class document_directory(osv.osv):
         objid=self.pool.get('ir.model.data')
         try:
             mid = objid._get_id(cr, uid, 'document', 'dir_root')
-            return None # TODO: check why not display root dir 
+            return False # TODO: check why not display root dir 
             if not mid:
-                return None
+                return False
         except Exception, e:
             import netsvc
             logger = netsvc.Logger()
             logger.notifyChannel("document", netsvc.LOG_WARNING, 'Cannot set directory root:'+ str(e))
-            return None
+            return False
         return objid.browse(cr, uid, mid, context=context).res_id
 
     def _get_def_storage(self,cr,uid,context=None):
diff --git a/addons/document/nodes.py b/addons/document/nodes.py
index c6e2f1b10d1..13bd1784562 100644
--- a/addons/document/nodes.py
+++ b/addons/document/nodes.py
@@ -631,6 +631,11 @@ class node_file(node_class):
             the browse object. """
         # this is where storage kicks in..
         stor = self.storage_id
+        if not stor:
+            data_obj = self.context._dirobj.pool.get('ir.model.data')
+            data_id = data_obj._get_id(cr, self.context.uid, 'document', 'storage_db')
+            if data_id:
+                stor = data_obj.browse(cr, self.context.uid, data_id, context=self.context.context).res_id 
         assert stor
         stobj = self.context._dirobj.pool.get('document.storage')
         return stobj.set_data(cr,self.context.uid,stor, self, data, self.context.context, fil_obj)