diff --git a/hw/i386/port92.c b/hw/i386/port92.c
index 1070bfbf36..b25157f6e4 100644
--- a/hw/i386/port92.c
+++ b/hw/i386/port92.c
@@ -10,6 +10,7 @@
 #include "sysemu/runstate.h"
 #include "migration/vmstate.h"
 #include "hw/irq.h"
+#include "hw/isa/isa.h"
 #include "hw/i386/pc.h"
 #include "trace.h"
 #include "qom/object.h"