diff --git a/autoconf/Makefile.msc b/autoconf/Makefile.msc
index ea31a32f77..3dfbb3d20e 100644
--- a/autoconf/Makefile.msc
+++ b/autoconf/Makefile.msc
@@ -536,8 +536,8 @@ RCC = $(RCC) -DWINAPI_FAMILY=WINAPI_FAMILY_APP
 # C compiler options for the Windows 10 platform (needs MSVC 2015).
 #
 !IF $(FOR_WIN10)!=0
-TCC = $(TCC) /guard:cf -D_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE
-BCC = $(BCC) /guard:cf -D_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE
+TCC = $(TCC) /d2guard4 -D_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE
+BCC = $(BCC) /d2guard4 -D_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE
 !ENDIF
 
 # Also, we need to dynamically link to the correct MSVC runtime
@@ -814,7 +814,7 @@ LTLINKOPTS = $(LTLINKOPTS) "/LIBPATH:$(PSDKLIBPATH)"
 !ENDIF
 
 !IF $(FOR_WIN10)!=0
-LTLINKOPTS = $(LTLINKOPTS) "/LIBPATH:$(UCRTLIBPATH)"
+LTLINKOPTS = $(LTLINKOPTS) /guard:cf "/LIBPATH:$(UCRTLIBPATH)"
 !IF $(DEBUG)>1
 LTLINKOPTS = $(LTLINKOPTS) /NODEFAULTLIB:libucrtd.lib /DEFAULTLIB:ucrtd.lib
 !ELSE