diff --git a/installer/mkvtoolnix-unicode.nsi b/installer/mkvtoolnix-unicode.nsi
index f0f34d725..8398e1bd4 100644
--- a/installer/mkvtoolnix-unicode.nsi
+++ b/installer/mkvtoolnix-unicode.nsi
@@ -67,6 +67,8 @@ Page custom showExternalLinks
 !insertmacro MUI_LANGUAGE "Ukrainian"
 !define MUI_LANGDLL_ALLLANGUAGES
 
+!insertmacro MUI_RESERVEFILE_LANGDLL
+
 # MUI end ------
 
 !include "WinVer.nsh"