diff --git a/travis/travis_transifex.py b/travis/travis_transifex.py
index a82979d42..fba5de858 100755
--- a/travis/travis_transifex.py
+++ b/travis/travis_transifex.py
@@ -5,7 +5,8 @@
 from __future__ import unicode_literals
 import os
 import sys
-import polib
+import time
+import subprocess
 from slumber import API, exceptions
 from odoo_connection import context_mapping, Odoo10Context
 from test_server import setup_server, get_addons_path, \
@@ -140,7 +141,7 @@ def main(argv=None):
             as odoo_context:
         for module in addons_list:
             print()
-            print(yellow("Downloading POT file for %s" % module))
+            print(yellow("Obtaining POT file for %s" % module))
             i18n_folder = os.path.join(travis_build_dir, module, 'i18n')
             source_filename = os.path.join(i18n_folder, module + ".pot")
             # Create i18n/ directory if doesn't exist
@@ -148,19 +149,18 @@ def main(argv=None):
                 os.makedirs(os.path.dirname(source_filename))
             with open(source_filename, 'w') as f:
                 f.write(odoo_context.get_pot_contents(module))
-            # Strip out empty strings on PO files to avoid overwriting already
-            # translated strings in TX, but not pushed back to GH yet
+            # Put the correct timestamp for letting known tx client which
+            # translations to update
             for po_file_name in os.listdir(i18n_folder):
                 if not po_file_name.endswith('.po'):
                     continue
                 po_file_name = os.path.join(i18n_folder, po_file_name)
-                st = os.stat(po_file_name)  # Remember modification time
-                po_file = polib.pofile(po_file_name)
-                for entry in po_file.untranslated_entries():
-                    po_file.remove(entry)
-                po_file.save(po_file_name)
-                # Overwrite modification time with the old one
-                os.utime(po_file_name, (st.st_atime, st.st_mtime))
+                command = ['git', 'log', '--pretty=format:%cd', '-n1',
+                           '--date=raw', po_file_name]
+                timestamp = float(subprocess.check_output(command).split()[0])
+                # This converts to UTC the timestamp
+                timestamp = time.mktime(time.gmtime(timestamp))
+                os.utime(po_file_name, (timestamp, timestamp))
 
             print()
             print(yellow("Linking POT file and Transifex resource"))