diff --git a/libretro.h b/libretro.h
index 0b402efa4a..a21de790d1 100755
--- a/libretro.h
+++ b/libretro.h
@@ -6,6 +6,10 @@
 
 #ifdef __cplusplus
 extern "C" {
+#elif defined(_MSC_VER)
+typedef unsigned char bool;
+typedef enum {false, true};
+#else
 #else
 #include <stdbool.h>
 #endif