diff --git a/tryton/common/common.py b/tryton/common/common.py
index 6cb1c56fde..83fefe9e7a 100644
--- a/tryton/common/common.py
+++ b/tryton/common/common.py
@@ -433,7 +433,11 @@ def file_selection(title, filename='',
     win.set_icon(TRYTON_ICON)
     win.set_current_folder(CONFIG['client.default_path'])
     if filename:
-        win.set_current_name(filename)
+        if action in (gtk.FILE_CHOOSER_ACTION_SAVE,
+                gtk.FILE_CHOOSER_ACTION_CREATE_FOLDER):
+            win.set_current_name(filename)
+        else:
+            win.set_filename(filename)
     win.set_select_multiple(multi)
     win.set_default_response(gtk.RESPONSE_OK)
     if filters is not None:
diff --git a/tryton/gui/window/view_form/view/form_gtk/binary.py b/tryton/gui/window/view_form/view/form_gtk/binary.py
index 2f6a4b471f..4683caef5a 100644
--- a/tryton/gui/window/view_form/view/form_gtk/binary.py
+++ b/tryton/gui/window/view_form/view/form_gtk/binary.py
@@ -5,7 +5,7 @@ import gettext
 import os
 import tempfile
 from tryton.common import common
-from tryton.common import file_selection, Tooltips, file_open
+from tryton.common import file_selection, Tooltips, file_open, slugify
 from interface import WidgetInterface
 
 _ = gettext.gettext
@@ -78,6 +78,8 @@ class Binary(WidgetInterface):
         self.tooltips.set_tip(self.but_remove, _('Clear'))
         self.widget.pack_start(self.but_remove, expand=False, fill=False)
 
+        self.last_open_file = None
+
         self.tooltips.enable()
 
     @property
@@ -108,7 +110,12 @@ class Binary(WidgetInterface):
             return self.wid_size.grab_focus()
 
     def sig_new(self, widget=None):
-        filename = file_selection(_('Open...'))
+        filename = ''
+        if self.last_open_file:
+            last_id, last_filename = self.last_open_file
+            if last_id == self.record.id:
+                filename = last_filename
+        filename = file_selection(_('Open...'), filename=filename)
         if filename and self.field:
             self.field.set_client(self.record, open(filename, 'rb').read())
             if self.filename_field:
@@ -119,10 +126,11 @@ class Binary(WidgetInterface):
         if not self.filename_field:
             return
         dtemp = tempfile.mkdtemp(prefix='tryton_')
-        filename = self.filename_field.get(self.record).replace(
-                os.sep, '_').replace(os.altsep or os.sep, '_')
+        filename = self.filename_field.get(self.record)
         if not filename:
             return
+        root, ext = os.path.splitext(filename)
+        filename = ''.join([slugify(root), os.extsep, slugify(ext)])
         file_path = os.path.join(dtemp, filename)
         with open(file_path, 'wb') as fp:
             fp.write(self.field.get_data(self.record))
@@ -130,6 +138,7 @@ class Binary(WidgetInterface):
         if type_:
             type_ = type_[1:]
         file_open(file_path, type_)
+        self.last_open_file = (self.record.id, file_path)
 
     def sig_save_as(self, widget=None):
         filename = ''
diff --git a/tryton/gui/window/view_form/view/form_gtk/image.py b/tryton/gui/window/view_form/view/form_gtk/image.py
index dc30c039b9..ba5bdd0df4 100644
--- a/tryton/gui/window/view_form/view/form_gtk/image.py
+++ b/tryton/gui/window/view_form/view/form_gtk/image.py
@@ -5,7 +5,7 @@ import glib
 import gettext
 import os
 import tempfile
-from tryton.common import file_selection, Tooltips, file_open
+from tryton.common import file_selection, Tooltips, file_open, slugify
 from tryton.config import PIXMAPS_DIR
 from interface import WidgetInterface
 import urllib
@@ -141,8 +141,11 @@ class Image(WidgetInterface):
         if not self.filename_field:
             return
         dtemp = tempfile.mkdtemp(prefix='tryton_')
-        filename = self.filename_field.get(self.record).replace(
-                os.sep, '_').replace(os.altsep or os.sep, '_')
+        filename = self.filename_field.get(self.record)
+        if not filename:
+            return
+        root, ext = os.path.splitext(filename)
+        filename = ''.join([slugify(root), os.extsep, slugify(ext)])
         file_path = os.path.join(dtemp, filename)
         with open(file_path, 'wb') as fp:
             fp.write(self.field.get_data(self.record))
diff --git a/tryton/gui/window/view_form/view/list_gtk/parser.py b/tryton/gui/window/view_form/view/list_gtk/parser.py
index 7e483b31bd..a7e3f9957a 100644
--- a/tryton/gui/window/view_form/view/list_gtk/parser.py
+++ b/tryton/gui/window/view_form/view/list_gtk/parser.py
@@ -18,7 +18,7 @@ from tryton.gui.window.win_form import WinForm
 from tryton.gui.window.view_form.screen import Screen
 import tryton.rpc as rpc
 from tryton.common import COLORS, node_attributes, \
-        file_selection, file_open
+        file_selection, file_open, slugify
 import tryton.common as common
 from tryton.common.cellrendererbutton import CellRendererButton
 from tryton.common.cellrendererdate import CellRendererDate
@@ -606,6 +606,7 @@ class Binary(Char):
         self.renderer.connect('open', self.open_binary)
         self.renderer.connect('save', self.save_binary)
         self.renderer.connect('clear', self.clear_binary)
+        self.last_open_file = None
 
     def get_textual_value(self, record):
         pass
@@ -638,8 +639,13 @@ class Binary(Char):
             cell.set_property('editable', not readonly)
 
     def new_binary(self, renderer, path):
-        filename = file_selection(_('Open...'))
         record, field = self._get_record_field(path)
+        filename = ''
+        if self.last_open_file:
+            last_id, last_filename = self.last_open_file
+            if last_id == record.id:
+                filename = last_filename
+        filename = file_selection(_('Open...'), filename=filename)
         if filename:
             field.set_client(record, open(filename, 'rb').read())
             if self.filename:
@@ -652,10 +658,11 @@ class Binary(Char):
         dtemp = tempfile.mkdtemp(prefix='tryton_')
         record, field = self._get_record_field(path)
         filename_field = record.group.fields.get(self.filename)
-        filename = filename_field.get(record).replace(
-            os.sep, '_').replace(os.altsep or os.sep, '_')
+        filename = filename_field.get(record)
         if not filename:
             return
+        root, ext = os.path.splitext(filename)
+        filename = ''.join([slugify(root), os.extsep, slugify(ext)])
         file_path = os.path.join(dtemp, filename)
         with open(file_path, 'wb') as fp:
             fp.write(field.get_data(record))
@@ -663,6 +670,7 @@ class Binary(Char):
         if type_:
             type_ = type_[1:]
         file_open(file_path, type_)
+        self.last_open_file = (record.id, file_path)
 
     def save_binary(self, renderer, path):
         filename = ''