diff --git a/protocol.go b/protocol.go
index 7f1dd4598..f5c34dbff 100644
--- a/protocol.go
+++ b/protocol.go
@@ -43,7 +43,7 @@ const (
 	FlagSymlink                     = 1 << 16
 	FlagSymlinkMissingTarget        = 1 << 17
 
-	FlagsAll = (1 << iota) - 1
+	FlagsAll = (1 << 18) - 1
 
 	SymlinkTypeMask = FlagDirectory | FlagSymlinkMissingTarget
 )