diff --git a/os/os2/build_lang.cmd b/os/os2/build_lang.cmd
new file mode 100644
--- /dev/null
+++ b/os/os2/build_lang.cmd
@@ -0,0 +1,8 @@
+rem
+rem Building language files...
+rem
+cd ..
+strgen\strgen
+for %%f in (lang\*.txt) do strgen\strgen %%f
+cd strgen
+