diff --git a/sys/dev/puc/pucdata.c b/sys/dev/puc/pucdata.c
index a1d1d4da80d..f29d10a6599 100644
--- a/sys/dev/puc/pucdata.c
+++ b/sys/dev/puc/pucdata.c
@@ -38,6 +38,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/bus.h>
 
 #include <machine/resource.h>
+#include <machine/bus.h>
 #include <sys/rman.h>
 
 #include <dev/pci/pcivar.h>