diff --git a/src/protocols/rdp/compat/winpr-wtypes.h b/src/protocols/rdp/compat/winpr-wtypes.h
index 6fe7fee0..f88ef1e9 100644
--- a/src/protocols/rdp/compat/winpr-wtypes.h
+++ b/src/protocols/rdp/compat/winpr-wtypes.h
@@ -39,6 +39,7 @@
 
 #include <freerdp/types.h>
 
+typedef uint8   BYTE;
 typedef uint8   UINT8;
 typedef uint16  UINT16;
 typedef uint32  UINT32;