diff --git a/platforms/win/configure.cmake b/platforms/win/configure.cmake
index 0588f1e53..28cf8131f 100644
--- a/platforms/win/configure.cmake
+++ b/platforms/win/configure.cmake
@@ -1,2 +1,3 @@
 add_definitions(-DWIN32)
-add_definitions(-D_DEBUG -D_CRT_SECURE_NO_WARNINGS)
+add_definitions(-D_CRT_SECURE_NO_WARNINGS)
+set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_DEBUG")