diff --git a/CHANGELOG b/CHANGELOG
index 665861bdca..9b86301c0d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+* Default CSV encoding to UTF8 with BOM
 * Display the number of selected records
 * Humanize the count result
 * Add limit to search_count
diff --git a/tryton/gui/window/win_csv.py b/tryton/gui/window/win_csv.py
index f28d64dcd6..53517517b7 100644
--- a/tryton/gui/window/win_csv.py
+++ b/tryton/gui/window/win_csv.py
@@ -161,8 +161,7 @@ class WinCSV(NoModal):
         self.csv_enc = Gtk.ComboBoxText()
         for i, encoding in enumerate(encodings):
             self.csv_enc.append_text(encoding)
-            if ((os.name == 'nt' and encoding == 'cp1252')
-                    or (os.name != 'nt' and encoding == 'utf_8')):
+            if encoding == 'utf_8_sig':
                 self.csv_enc.set_active(i)
         label_csv_enc.set_mnemonic_widget(self.csv_enc)
         box.pack_start(self.csv_enc, expand=False, fill=True, padding=0)
diff --git a/tryton/gui/window/win_export.py b/tryton/gui/window/win_export.py
index 23476002ac..8750b9543b 100644
--- a/tryton/gui/window/win_export.py
+++ b/tryton/gui/window/win_export.py
@@ -383,7 +383,7 @@ class WinExport(WinCSV):
         self.destroy()
 
     def export_csv(self, fname, fields, data, paths, popup=True):
-        encoding = self.csv_enc.get_active_text() or 'UTF-8'
+        encoding = self.csv_enc.get_active_text() or 'utf_8_sig'
         locale_format = self.csv_locale.get_active()
 
         try: