diff --git a/CMakeLists.txt b/CMakeLists.txt
index 515cb1570..4201602f2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,8 +13,9 @@ if (UNIX)
 	set(CMAKE_CXX_FLAGS    "${CMAKE_CXX_FLAGS} -w")
 	set(CMAKE_C_FLAGS      "${CMAKE_C_FLAGS} -w")
 else()
-	set(CMAKE_CXX_FLAGS    "${CMAKE_CXX_FLAGS} /w")
-	set(CMAKE_C_FLAGS      "${CMAKE_C_FLAGS} /w")
+	#remove /W3 from command line -- cannot just cancel it later with /w like in unix because of D9025
+	string(REPLACE "/W3" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+	string(REPLACE "/W3" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
 endif()
 set(CMAKE_BUILD_TYPE_BAK ${CMAKE_BUILD_TYPE})
 set(CMAKE_BUILD_TYPE "Release")