diff --git a/cmds/portmaster-start/console_default.go b/cmds/portmaster-start/console_default.go
index 8a29fbb6..f11a9fae 100644
--- a/cmds/portmaster-start/console_default.go
+++ b/cmds/portmaster-start/console_default.go
@@ -1,4 +1,4 @@
-// go:build !windows
+//go:build !windows
 
 package main
 
diff --git a/core/os_default.go b/core/os_default.go
index f00ffa01..976a059d 100644
--- a/core/os_default.go
+++ b/core/os_default.go
@@ -1,4 +1,4 @@
-// go:build !windows
+//go:build !windows
 
 package core
 
diff --git a/firewall/interception/nfq/nfq.go b/firewall/interception/nfq/nfq.go
index 3bd59307..820b7847 100644
--- a/firewall/interception/nfq/nfq.go
+++ b/firewall/interception/nfq/nfq.go
@@ -1,4 +1,4 @@
-// go:build linux
+//go:build linux
 
 // Package nfq contains a nfqueue library experiment.
 package nfq
diff --git a/firewall/interception/nfq/packet.go b/firewall/interception/nfq/packet.go
index ff5d7a27..46ca3ea5 100644
--- a/firewall/interception/nfq/packet.go
+++ b/firewall/interception/nfq/packet.go
@@ -1,4 +1,4 @@
-// go:build linux
+//go:build linux
 
 package nfq
 
diff --git a/netenv/dbus_linux.go b/netenv/dbus_linux.go
index 9cc63c28..730cb564 100644
--- a/netenv/dbus_linux.go
+++ b/netenv/dbus_linux.go
@@ -1,4 +1,4 @@
-// go:build !server
+//go:build !server
 
 package netenv
 
diff --git a/netenv/location_default.go b/netenv/location_default.go
index 1581c6a9..c1dead09 100644
--- a/netenv/location_default.go
+++ b/netenv/location_default.go
@@ -1,4 +1,4 @@
-// go:build !windows
+//go:build !windows
 
 package netenv
 
diff --git a/network/proc/findpid.go b/network/proc/findpid.go
index 1178eae8..3cfb7930 100644
--- a/network/proc/findpid.go
+++ b/network/proc/findpid.go
@@ -1,4 +1,4 @@
-// go:build linux
+//go:build linux
 
 package proc
 
diff --git a/network/proc/pids_by_user.go b/network/proc/pids_by_user.go
index 4d32a481..662d2a07 100644
--- a/network/proc/pids_by_user.go
+++ b/network/proc/pids_by_user.go
@@ -1,4 +1,4 @@
-// go:build linux
+//go:build linux
 
 package proc
 
diff --git a/network/proc/tables.go b/network/proc/tables.go
index 36c9b844..af720b2a 100644
--- a/network/proc/tables.go
+++ b/network/proc/tables.go
@@ -1,4 +1,4 @@
-// go:build linux
+//go:build linux
 
 package proc
 
diff --git a/network/proc/tables_test.go b/network/proc/tables_test.go
index 5f4c4758..1a9f175e 100644
--- a/network/proc/tables_test.go
+++ b/network/proc/tables_test.go
@@ -1,4 +1,4 @@
-// go:build linux
+//go:build linux
 
 package proc