diff --git a/src/syscall/types_dragonfly.go b/src/syscall/types_dragonfly.go
index 0c060d932e..53bc12403b 100644
--- a/src/syscall/types_dragonfly.go
+++ b/src/syscall/types_dragonfly.go
@@ -113,6 +113,8 @@ const ( // Directory mode bits
 	S_IRUSR  = C.S_IRUSR
 	S_IWUSR  = C.S_IWUSR
 	S_IXUSR  = C.S_IXUSR
+	S_IRWXG  = C.S_IRWXG
+	S_IRWXO  = C.S_IRWXO
 )
 
 type Stat_t C.struct_stat
diff --git a/src/syscall/ztypes_dragonfly_amd64.go b/src/syscall/ztypes_dragonfly_amd64.go
index 1cb8608228..e9e811f776 100644
--- a/src/syscall/ztypes_dragonfly_amd64.go
+++ b/src/syscall/ztypes_dragonfly_amd64.go
@@ -71,6 +71,8 @@ const (
 	S_IRUSR  = 0x100
 	S_IWUSR  = 0x80
 	S_IXUSR  = 0x40
+	S_IRWXG  = 0x38
+	S_IRWXO  = 0x7
 )
 
 type Stat_t struct {