diff --git a/src/protocols/rdp/compat/winpr-wtypes.h b/src/protocols/rdp/compat/winpr-wtypes.h
index f88ef1e9..69dbc44e 100644
--- a/src/protocols/rdp/compat/winpr-wtypes.h
+++ b/src/protocols/rdp/compat/winpr-wtypes.h
@@ -46,7 +46,7 @@ typedef uint32  UINT32;
 typedef boolean BOOL;
 
 #define TRUE  true
-#define FALSE true
+#define FALSE false
 
 #endif