diff --git a/dll/3rdparty/mesa32/CMakeLists.txt b/dll/3rdparty/mesa32/CMakeLists.txt
index dda16020bd3..35b8f690275 100644
--- a/dll/3rdparty/mesa32/CMakeLists.txt
+++ b/dll/3rdparty/mesa32/CMakeLists.txt
@@ -1,4 +1,8 @@
 
+if(NOT MSVC)
+add_definitions(-w)
+endif()
+
 add_definitions(
     -DUSE_EXTERNAL_DXTN_LIB=1
     -DBUILD_GL32