diff --git a/reactos/lib/3rdparty/adns/src/internal.h b/reactos/lib/3rdparty/adns/src/internal.h
index 2c92dac7bd7..3f1684772fe 100644
--- a/reactos/lib/3rdparty/adns/src/internal.h
+++ b/reactos/lib/3rdparty/adns/src/internal.h
@@ -167,7 +167,7 @@ union maxalign {
   void *p;
   void (*fp)(void);
   union maxalign *up;
-} data;
+};
 
 typedef struct {
   void *ext;