diff --git a/CHANGELOG b/CHANGELOG
index 8f4e70f0..51866a3d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -7,7 +7,7 @@ License: GPL3
 Change Log:
 
 +------------------------------------+
-Sun, 17 Dec 2023 V.5.0.3c3
+Tue, 19 Dec 2023 V.5.0.3c4
 
   * [YouTube Downloader] New feature: subtitles editor, see #240
   * [YouTube Downloader] Improved UI layout.
@@ -20,6 +20,7 @@ Sun, 17 Dec 2023 V.5.0.3c3
     opening by clicking the menu bar when the yt-dlp module is not loaded.
   * Update fr_FR translation, thanks to Philaug.
   * Update es_ES, es_CU, es_MX translations, thanks to katnatek.
+  * Try to fix zh_CN (Chinese - Simplified) to zh_CH, see #253
 
 +------------------------------------+
 Tue, 20 Jun 2023 V.5.0.2
diff --git a/debian/changelog b/debian/changelog
index f51d0090..db65054d 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -11,8 +11,9 @@ videomass (5.0.3-1) UNRELEASED; urgency=medium
     opening by clicking the menu bar when the yt-dlp module is not loaded.
   * Update fr_FR translation, thanks to Philaug.
   * Update es_ES, es_CU, es_MX translations, thanks to katnatek.
+  * Try to fix zh_CN (Chinese - Simplified) to zh_CH, see #253
 
- -- Gianluca Pernigotto <jeanlucperni@gmail.com>  Sun, 17 Dec 2023 17:00:00 +0200
+ -- Gianluca Pernigotto <jeanlucperni@gmail.com>  Tue, 19 Dec 2023 17:00:00 +0200
 
 
 videomass (5.0.2-1) UNRELEASED; urgency=medium
diff --git a/videomass/locale/zh_CN/LC_MESSAGES/videomass.mo b/videomass/locale/zh_CH/LC_MESSAGES/videomass.mo
similarity index 99%
rename from videomass/locale/zh_CN/LC_MESSAGES/videomass.mo
rename to videomass/locale/zh_CH/LC_MESSAGES/videomass.mo
index c7028f04..71c1965e 100644
Binary files a/videomass/locale/zh_CN/LC_MESSAGES/videomass.mo and b/videomass/locale/zh_CH/LC_MESSAGES/videomass.mo differ
diff --git a/videomass/locale/zh_CN/LC_MESSAGES/videomass.po b/videomass/locale/zh_CH/LC_MESSAGES/videomass.po
similarity index 99%
rename from videomass/locale/zh_CN/LC_MESSAGES/videomass.po
rename to videomass/locale/zh_CH/LC_MESSAGES/videomass.po
index 156355c1..71b93b37 100644
--- a/videomass/locale/zh_CN/LC_MESSAGES/videomass.po
+++ b/videomass/locale/zh_CH/LC_MESSAGES/videomass.po
@@ -8,10 +8,10 @@ msgstr ""
 "Project-Id-Version: Videomass 5.0.3\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2023-07-18 10:29+0200\n"
-"PO-Revision-Date: 2023-07-18 10:35+0200\n"
+"PO-Revision-Date: 2023-12-19 16:58+0100\n"
 "Last-Translator: MaiJZ https://github.com/maijz128\n"
 "Language-Team: simplified Chinese (CN)\n"
-"Language: zh_CN\n"
+"Language: zh_CH\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/videomass/vdms_sys/app_const.py b/videomass/vdms_sys/app_const.py
index 74393561..06cbad3b 100644
--- a/videomass/vdms_sys/app_const.py
+++ b/videomass/vdms_sys/app_const.py
@@ -20,7 +20,7 @@
 # languages you want to support
 supLang = {
     "Default": (wx.LANGUAGE_DEFAULT, ("System default language")),
-    "zh_CN": (wx.LANGUAGE_CHINESE_SIMPLIFIED, ("Chinese (simplified)")),
+    "zh_CH": (wx.LANGUAGE_CHINESE_SIMPLIFIED, ("Chinese (simplified)")),
     "nl_NL": (wx.LANGUAGE_DUTCH, ("Dutch")),
     "en_US": (wx.LANGUAGE_ENGLISH_US, ("English (United States)")),
     "fr_FR": (wx.LANGUAGE_FRENCH, ("French")),
diff --git a/videomass/vdms_sys/msg_info.py b/videomass/vdms_sys/msg_info.py
index 3177a169..73f75c66 100644
--- a/videomass/vdms_sys/msg_info.py
+++ b/videomass/vdms_sys/msg_info.py
@@ -36,7 +36,7 @@ def current_release():
     """
     release_name = 'Videomass'
     program_name = 'videomass'
-    version = '5.0.3c3'
+    version = '5.0.3c4'
     release = 'Not released'
     copyr = '2013-2023'
     website = 'http://jeanslack.github.io/Videomass/'