diff --git a/share/examples/kld/firmware/fwimage/Makefile b/share/examples/kld/firmware/fwimage/Makefile
index 5c0ad7a8b49b..6c6218206ac3 100644
--- a/share/examples/kld/firmware/fwimage/Makefile
+++ b/share/examples/kld/firmware/fwimage/Makefile
@@ -3,4 +3,8 @@
 KMOD=	beastie
 FIRMWS=	firmware.img:beastie
 
+firmware.img: firmware.img.in
+	cp ${.ALLSRC} ${.TARGET}
+	printf '\0\0\0\0\0' >> ${.TARGET}
+
 .include <bsd.kmod.mk>
diff --git a/share/examples/kld/firmware/fwimage/firmware.img b/share/examples/kld/firmware/fwimage/firmware.img.in
similarity index 99%
rename from share/examples/kld/firmware/fwimage/firmware.img
rename to share/examples/kld/firmware/fwimage/firmware.img.in
index afc3c23287e7..a77e080c1efd 100644
Binary files a/share/examples/kld/firmware/fwimage/firmware.img and b/share/examples/kld/firmware/fwimage/firmware.img.in differ