diff --git a/build.bat b/build.bat
index 1f30495f..fcc27ef6 100644
--- a/build.bat
+++ b/build.bat
@@ -42,7 +42,7 @@ if "%asan%"=="1"      set auto_compile_flags=%auto_compile_flags% -fsanitize=add
 
 :: --- Compile/Link Line Definitions ------------------------------------------
 set cl_common=     /I..\src\ /I..\local\ /nologo /FC /Z7 /MP
-set clang_common=  -I..\src\ -I..\local\ -maes -mssse3 -msse4 -gcodeview -fdiagnostics-absolute-paths -Wall -Wno-missing-braces -Wno-unused-function -Wno-writable-strings -Wno-unused-value -Wno-unused-variable -Wno-unused-local-typedef -Wno-deprecated-register -Wno-deprecated-declarations -Wno-unused-but-set-variable -Wno-single-bit-bitfield-constant-conversion -Xclang -flto-visibility-public-std -D_USE_MATH_DEFINES -Dstrdup=_strdup -Dgnu_printf=printf
+set clang_common=  -I..\src\ -I..\local\ -maes -mssse3 -msse4 -gcodeview -fdiagnostics-absolute-paths -Wall -Wno-unknown-warning-option -Wno-missing-braces -Wno-unused-function -Wno-writable-strings -Wno-unused-value -Wno-unused-variable -Wno-unused-local-typedef -Wno-deprecated-register -Wno-deprecated-declarations -Wno-unused-but-set-variable -Wno-single-bit-bitfield-constant-conversion -Xclang -flto-visibility-public-std -D_USE_MATH_DEFINES -Dstrdup=_strdup -Dgnu_printf=printf
 set cl_debug=      call cl /Od /D_DEBUG %cl_common%
 set cl_release=    call cl /O2 /DNDEBUG %cl_common%
 set clang_debug=   call clang -g -O0 -D_DEBUG %clang_common%