diff --git a/unix/types_darwin.go b/unix/types_darwin.go
index eb1d31afac..bfffc62734 100644
--- a/unix/types_darwin.go
+++ b/unix/types_darwin.go
@@ -304,6 +304,7 @@ const (
 	AT_REMOVEDIR        = C.AT_REMOVEDIR
 	AT_SYMLINK_FOLLOW   = C.AT_SYMLINK_FOLLOW
 	AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
+	AT_EACCESS          = C.AT_EACCESS
 )
 
 // poll
diff --git a/unix/ztypes_darwin_amd64.go b/unix/ztypes_darwin_amd64.go
index e2a64f0991..06cb4464f3 100644
--- a/unix/ztypes_darwin_amd64.go
+++ b/unix/ztypes_darwin_amd64.go
@@ -610,6 +610,7 @@ const (
 	AT_REMOVEDIR        = 0x80
 	AT_SYMLINK_FOLLOW   = 0x40
 	AT_SYMLINK_NOFOLLOW = 0x20
+	AT_EACCESS          = 0x10
 )
 
 type PollFd struct {
diff --git a/unix/ztypes_darwin_arm64.go b/unix/ztypes_darwin_arm64.go
index 34aa775219..3b9dd1d36f 100644
--- a/unix/ztypes_darwin_arm64.go
+++ b/unix/ztypes_darwin_arm64.go
@@ -610,6 +610,7 @@ const (
 	AT_REMOVEDIR        = 0x80
 	AT_SYMLINK_FOLLOW   = 0x40
 	AT_SYMLINK_NOFOLLOW = 0x20
+	AT_EACCESS          = 0x10
 )
 
 type PollFd struct {