diff --git a/development/Win32/packaging/AltInstaller/Updated.nsh b/development/Win32/packaging/AltInstaller/Updated.nsh
index 8878fdf12e..0e2c92aeb8 100644
--- a/development/Win32/packaging/AltInstaller/Updated.nsh
+++ b/development/Win32/packaging/AltInstaller/Updated.nsh
@@ -6,6 +6,7 @@ Function UpdateModifiedFiles
  File "${PRODUCT_SOURCEDIR}\bin\tex2lyx.exe" # always here
  SetOutPath "$INSTDIR\Resources"
  File /r "${PRODUCT_SOURCEDIR}\Resources\locale" # always here
+ File "${PRODUCT_SOURCEDIR}\Resources\configure.py"
  File "${PRODUCT_SOURCEDIR}\Resources\CREDITS"
  File "${PRODUCT_SOURCEDIR}\Resources\unicodesymbols"
  SetOutPath "$INSTDIR\Resources\doc"