diff --git a/src/syscall/types_solaris.go b/src/syscall/types_solaris.go
index a219a437d5..a9e6d6bdd6 100644
--- a/src/syscall/types_solaris.go
+++ b/src/syscall/types_solaris.go
@@ -120,6 +120,8 @@ 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_solaris_amd64.go b/src/syscall/ztypes_solaris_amd64.go
index 12307abfaa..b892cd6612 100644
--- a/src/syscall/ztypes_solaris_amd64.go
+++ b/src/syscall/ztypes_solaris_amd64.go
@@ -77,6 +77,8 @@ const (
 	S_IRUSR  = 0x100
 	S_IWUSR  = 0x80
 	S_IXUSR  = 0x40
+	S_IRWXG  = 0x38
+	S_IRWXO  = 0x7
 )
 
 type Stat_t struct {