diff --git a/portlist/netstat.go b/portlist/netstat.go
index e0f9345be..02b1a5957 100644
--- a/portlist/netstat.go
+++ b/portlist/netstat.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !darwin !arm64
+// +build go1.16,!ios !go1.16,!darwin !go1.16,!arm64
 
 package portlist
 
diff --git a/portlist/netstat_exec.go b/portlist/netstat_exec.go
index 2ca3fd574..dd78215ec 100644
--- a/portlist/netstat_exec.go
+++ b/portlist/netstat_exec.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build windows freebsd openbsd darwin,amd64
+// +build windows freebsd openbsd darwin,amd64 go1.16,darwin,arm64
 
 package portlist
 
diff --git a/portlist/portlist_ios.go b/portlist/portlist_ios.go
index a7a85a54c..19bc2db39 100644
--- a/portlist/portlist_ios.go
+++ b/portlist/portlist_ios.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin,!amd64
+// +build go1.16,ios !go1.16,darwin,!amd64
 
 package portlist
 
diff --git a/portlist/portlist_macos.go b/portlist/portlist_macos.go
index 66bd558b8..86dd3058e 100644
--- a/portlist/portlist_macos.go
+++ b/portlist/portlist_macos.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin,amd64
+// +build darwin,amd64 go1.16,darwin,arm64
 
 package portlist
 
diff --git a/version/cmdname.go b/version/cmdname.go
index a7899ed9f..832563532 100644
--- a/version/cmdname.go
+++ b/version/cmdname.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !darwin !arm64
+// +build go1.16,!ios !go1.16,!darwin !go1.16,!arm64
 
 package version
 
diff --git a/version/cmdname_ios.go b/version/cmdname_ios.go
index 69d71f7db..514da5da0 100644
--- a/version/cmdname_ios.go
+++ b/version/cmdname_ios.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin,arm64
+// +build go1.16,ios !go1.16,darwin,arm64
 
 package version