diff --git a/usr.sbin/bhyve/basl.h b/usr.sbin/bhyve/basl.h
--- a/usr.sbin/bhyve/basl.h
+++ b/usr.sbin/bhyve/basl.h
@@ -6,10 +6,10 @@
 
 #pragma once
 
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wunused-parameter"
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
 #include <contrib/dev/acpica/include/acpi.h>
-#pragma clang diagnostic pop
+#pragma GCC diagnostic pop
 
 #define ACPI_GAS_ACCESS_WIDTH_LEGACY 0
 #define ACPI_GAS_ACCESS_WIDTH_UNDEFINED 0