diff --git a/CMakeLists.txt b/CMakeLists.txt
index be8d2e8..418e2f2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,7 +37,7 @@ STRING(TIMESTAMP BUILD_TIMESTAMP UTC)
 MESSAGE(STATUS "Timestamp is ${BUILD_TIMESTAMP}")
 
 IF(WIN32)
-  ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE -DWIN32_LEAN_AND_MEAN -MD)
+  ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE -DWIN32_LEAN_AND_MEAN)
 ELSEIF(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
   ADD_DEFINITIONS(-DOSX)
 ENDIF()