diff --git a/Makefile.libretro b/Makefile.libretro
index 020a148..8ac38f3 100644
--- a/Makefile.libretro
+++ b/Makefile.libretro
@@ -341,6 +341,7 @@ export LIB := $(LIB);$(WindowsSdkDir)
 TARGET := $(TARGET_NAME)_libretro.dll
 PSS_STYLE :=2
 LDFLAGS += -DLL
+CFLAGS += -D_CRT_SECURE_NO_DEPRECATE
 # Windows
 else
 	TARGET := $(TARGET_NAME)_libretro.dll