diff --git a/src/include/switch_platform.h b/src/include/switch_platform.h
index 6e0588e959..d0ef03ea19 100644
--- a/src/include/switch_platform.h
+++ b/src/include/switch_platform.h
@@ -312,6 +312,7 @@ SWITCH_END_EXTERN_C
 #define _Check_return_
 #define _Inout_
 #define _Inout_opt_
+#define _In_bytecount_(x)
 #endif