diff --git a/build_vendor.bat b/build_vendor.bat
new file mode 100644
index 000000000..fe1ae660c
--- /dev/null
+++ b/build_vendor.bat
@@ -0,0 +1,10 @@
+@echo off
+
+setlocal EnableDelayedExpansion
+
+if not exist "vendor\stb\lib\*.lib" (
+	rem build the .lib fiels already exist
+	pushd vendor\stb\src
+		call build.bat
+	popd
+)