diff --git a/plugins/inputs/modbus/configuration.go b/plugins/inputs/modbus/configuration.go
index 8f85cf14a972e..552cc3ff63727 100644
--- a/plugins/inputs/modbus/configuration.go
+++ b/plugins/inputs/modbus/configuration.go
@@ -1,4 +1,5 @@
 //go:build !openbsd
+// +build !openbsd
 
 package modbus
 
diff --git a/plugins/inputs/modbus/configuration_register.go b/plugins/inputs/modbus/configuration_register.go
index edb6548acbb57..2e1ad34a65247 100644
--- a/plugins/inputs/modbus/configuration_register.go
+++ b/plugins/inputs/modbus/configuration_register.go
@@ -1,4 +1,5 @@
 //go:build !openbsd
+// +build !openbsd
 
 package modbus
 
diff --git a/plugins/inputs/modbus/configuration_request.go b/plugins/inputs/modbus/configuration_request.go
index d64b53a827a89..a1184606291e7 100644
--- a/plugins/inputs/modbus/configuration_request.go
+++ b/plugins/inputs/modbus/configuration_request.go
@@ -1,3 +1,6 @@
+//go:build !openbsd
+// +build !openbsd
+
 package modbus
 
 import (
diff --git a/plugins/inputs/modbus/modbus.go b/plugins/inputs/modbus/modbus.go
index 535c5e921fb26..beb6fd0019f2d 100644
--- a/plugins/inputs/modbus/modbus.go
+++ b/plugins/inputs/modbus/modbus.go
@@ -1,4 +1,5 @@
 //go:build !openbsd
+// +build !openbsd
 
 package modbus
 
diff --git a/plugins/inputs/modbus/modbus_openbsd.go b/plugins/inputs/modbus/modbus_openbsd.go
index 6cc2bfeb3b8fd..c4df661dfbf23 100644
--- a/plugins/inputs/modbus/modbus_openbsd.go
+++ b/plugins/inputs/modbus/modbus_openbsd.go
@@ -1,3 +1,4 @@
 //go:build openbsd
+// +build openbsd
 
 package modbus
diff --git a/plugins/inputs/modbus/modbus_test.go b/plugins/inputs/modbus/modbus_test.go
index fe155a99654d7..e35b8bdbe0146 100644
--- a/plugins/inputs/modbus/modbus_test.go
+++ b/plugins/inputs/modbus/modbus_test.go
@@ -1,4 +1,5 @@
 //go:build !openbsd
+// +build !openbsd
 
 package modbus
 
diff --git a/plugins/inputs/modbus/request.go b/plugins/inputs/modbus/request.go
index 77fa392146097..3d5a981432f26 100644
--- a/plugins/inputs/modbus/request.go
+++ b/plugins/inputs/modbus/request.go
@@ -1,4 +1,5 @@
 //go:build !openbsd
+// +build !openbsd
 
 package modbus
 
diff --git a/plugins/inputs/modbus/type_conversions.go b/plugins/inputs/modbus/type_conversions.go
index 88c4b7465a824..55acdfecf544b 100644
--- a/plugins/inputs/modbus/type_conversions.go
+++ b/plugins/inputs/modbus/type_conversions.go
@@ -1,4 +1,5 @@
 //go:build !openbsd
+// +build !openbsd
 
 package modbus
 
diff --git a/plugins/inputs/modbus/type_conversions16.go b/plugins/inputs/modbus/type_conversions16.go
index 8fc920d217dbb..5931fc6895edc 100644
--- a/plugins/inputs/modbus/type_conversions16.go
+++ b/plugins/inputs/modbus/type_conversions16.go
@@ -1,4 +1,5 @@
 //go:build !openbsd
+// +build !openbsd
 
 package modbus
 
diff --git a/plugins/inputs/modbus/type_conversions32.go b/plugins/inputs/modbus/type_conversions32.go
index 260a3dc065f70..80f7ee6a0c6c7 100644
--- a/plugins/inputs/modbus/type_conversions32.go
+++ b/plugins/inputs/modbus/type_conversions32.go
@@ -1,4 +1,5 @@
 //go:build !openbsd
+// +build !openbsd
 
 package modbus
 
diff --git a/plugins/inputs/modbus/type_conversions64.go b/plugins/inputs/modbus/type_conversions64.go
index 55b0a0775c701..feef4112b7f2c 100644
--- a/plugins/inputs/modbus/type_conversions64.go
+++ b/plugins/inputs/modbus/type_conversions64.go
@@ -1,4 +1,5 @@
 //go:build !openbsd
+// +build !openbsd
 
 package modbus