diff --git a/addons/document/document.py b/addons/document/document.py
index b8b053eb8b4..d6a87f374a8 100644
--- a/addons/document/document.py
+++ b/addons/document/document.py
@@ -107,7 +107,7 @@ class node_class(object):
             where.append( ('parent_id','=',self.object.id) )
             where.append( ('res_id','=',False) )
         if nodename:
-            where.append( (fobj._rec_name,'=like',nodename) )        
+            where.append( (fobj._rec_name,'like',nodename) )        
         ids = fobj.search(self.cr, self.uid, where+[ ('parent_id','=',self.object and self.object.id or False) ], context=self.context)
         if self.object and self.root and (self.object.type=='ressource'):
             ids += fobj.search(self.cr, self.uid, where+[ ('parent_id','=',False) ], context=self.context)
@@ -118,7 +118,7 @@ class node_class(object):
         pool = pooler.get_pool(self.cr.dbname)
         where = []
         if nodename:
-            where.append(('name','=like',nodename))
+            where.append(('name','like',nodename))
         if (self.object and self.object.type=='directory') or not self.object2:
             where.append(('parent_id','=',self.object and self.object.id or False))
         else:
@@ -144,7 +144,7 @@ class node_class(object):
             fobj = pool.get('ir.attachment')
             vargs = [('parent_id','=',False),('res_id','=',False)]
             if nodename:
-                vargs.append(('name','=like',nodename))
+                vargs.append(('name','like',nodename))
             file_ids=fobj.search(self.cr,self.uid,vargs)
 
             res = fobj.browse(self.cr, self.uid, file_ids, context=self.context)
@@ -174,7 +174,7 @@ class node_class(object):
                 for invalid in INVALID_CHARS:
                     if nodename.find(INVALID_CHARS[invalid]) :
                         nodename=nodename.replace(INVALID_CHARS[invalid],invalid)
-                where.append(('name','=like',nodename))
+                where.append(('name','like',nodename))
             ids = obj.search(self.cr, self.uid, where, self.context)
             res = obj.browse(self.cr, self.uid, ids,self.context)
             for r in res:
@@ -290,7 +290,7 @@ class document_directory(osv.osv):
     def _get_childs(self, cr, uid, node, nodename=False, context={}):
         where = []
         if nodename:
-            where.append(('name','=like',nodename))
+            where.append(('name','like',nodename))
         if object:
             where.append(('parent_id','=',object.id))
         ids = self.search(cr, uid, where, context)