--- a/include/atalk/afp.h
+++ b/include/atalk/afp.h
@@ -199,6 +199,7 @@
 
 /* version 3.1 */
 #define AFP_ENUMERATE_EXT2      68
+#define AFP_SYNCDIR             78
+#define AFP_SYNCFORK            79
 #define AFP_ZZZ                 122
-
 #endif