diff --git a/Makefile.am b/Makefile.am
index 5b416e8..d0864ac 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -20,3 +20,9 @@ install-exec-hook:
 	cd $(DESTDIR)$(pkglibexecdir) && \
 		mv -f tiny_initramfs init
 endif
+
+initrd.img: tiny_initramfs
+	mkdir -p initramfs/dev initramfs/proc initramfs/target || true
+	cp tiny_initramfs initramfs/init
+	strip initramfs/init
+	cd initramfs && find . | cpio -o --quiet -R 0:0 -H newc | gzip > ../initrd.img
diff --git a/devices.c b/devices.c
index 78bff1d..fa2f68f 100644
--- a/devices.c
+++ b/devices.c
@@ -36,6 +36,7 @@
 #include <sys/ioctl.h>
 #include <sys/stat.h>
 #include <sys/syscall.h>
+#include <sys/sysmacros.h>
 
 /* Not all libcs define these things, unfortunately... */
 #ifndef DT_UNKNOWN