diff --git a/build_set_protobuf_directories.bat b/build_set_protobuf_directories.bat
index 7d8fbd5..bf81456 100644
--- a/build_set_protobuf_directories.bat
+++ b/build_set_protobuf_directories.bat
@@ -1,10 +1,20 @@
+@echo off
+cd /d "%~dp0"
 SET PROTOBUF_X86_DIRECTORY=..\vcpkg\packages\protobuf_x86-windows-static
 SET PROTOBUF_X64_DIRECTORY=..\vcpkg\packages\protobuf_x64-windows-static
+
 rem location of protoc in protobuf directories:
-SET PROTOC_DIRECTORY=\tools\protobuf\protoc.exe
+SET PROTOC_X86_EXE=%PROTOBUF_X86_DIRECTORY%\tools\protobuf\protoc.exe
+SET PROTOC_X64_EXE=%PROTOBUF_X64_DIRECTORY%\tools\protobuf\protoc.exe
+
+if exist "%PROTOBUF_X86_DIRECTORY%\lib\libprotobuf-lite.lib" (
+SET PROTOBUF_X86_LIBRARY=%PROTOBUF_X86_DIRECTORY%\lib\libprotobuf-lite.lib
+) else (
+SET PROTOBUF_X86_LIBRARY=%PROTOBUF_X86_DIRECTORY%\lib\libprotobuf.lib
+)
 
 if exist "%PROTOBUF_X64_DIRECTORY%\lib\libprotobuf-lite.lib" (
-SET PROTOBUF_LIBRARY=\lib\libprotobuf-lite.lib
+SET PROTOBUF_X64_LIBRARY=%PROTOBUF_X64_DIRECTORY%\lib\libprotobuf-lite.lib
 ) else (
-SET PROTOBUF_LIBRARY=\lib\libprotobuf.lib
+SET PROTOBUF_X64_LIBRARY=%PROTOBUF_X64_DIRECTORY%\lib\libprotobuf.lib
 )