diff --git a/build.cmd b/build.cmd
index d8451ee..a581b6d 100644
--- a/build.cmd
+++ b/build.cmd
@@ -7,7 +7,7 @@ git clone https://github.com/KhronosGroup/glslang.git .\build\glslang
 
 cd .\build\glslang
 
-set useLibc=-nostdinc++ -nostdlib++ -isystem %LIBC_DIR%\include\c++\v1 -L %LIBC_DIR%\lib -lc++
+set useLibc=-nostdinc++ -nostdlib++ -isystem %LIBCXX_DIR%\include\c++\v1 -L %LIBCXX_DIR%\lib -lc++
 set buildDir=%CD%\build
 
 cmake -G Ninja -B %buildDir% -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_CXX_FLAGS="%useLibc%" -DCMAKE_EXE_LINKER_FLAGS="%useLibc%" -DCMAKE_SHARED_LINKER_FLAGS="%useLibc%" -DCMAKE_BUILD_TYPE=Release -DCMAKE_ARCHIVE_OUTPUT_DIRECTORY="%buildDir%" -DCMAKE_LIBRARY_OUTPUT_DIRECTORY="%buildDir%" -DENABLE_OPT=OFF