diff --git a/CMakeLists.txt b/CMakeLists.txt
index 13150a6ca..0d3fc8030 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -198,8 +198,8 @@ elseif (WIN32)
   add_definitions(-D__WINDOWS__)
 
   # compile with full multicore
-  set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} /MP")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
+  set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} /MP /w")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP /w")
 
   # find Qt folder
   if(DEFINED QT_PATH)
@@ -276,7 +276,7 @@ endif()
 if (C_CLANG OR C_GCC)
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wvla -Woverloaded-virtual -ffast-math -ftree-vectorize ${EXTRA_FLAGS}")
 elseif (C_MSVC)
-	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -W3 -MP ${EXTRA_FLAGS}")
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -w -MP ${EXTRA_FLAGS}")
 endif()
 
 if (C_CLANG)