diff --git a/pax/src/cpio.c b/pax/src/cpio.c
index 67a8256..3f6e1d2 100644
--- a/pax/src/cpio.c
+++ b/pax/src/cpio.c
@@ -40,6 +40,7 @@
 #include <sys/time.h>
 #include <sys/stat.h>
 #include <sys/param.h>
+#include <sys/sysmacros.h>
 #include <string.h>
 #include <stdio.h>
 #include <unistd.h>
diff --git a/pax/src/gen_subs.c b/pax/src/gen_subs.c
index e5db820..a1bb830 100644
--- a/pax/src/gen_subs.c
+++ b/pax/src/gen_subs.c
@@ -41,6 +41,7 @@
 #include <sys/time.h>
 #include <sys/stat.h>
 #include <sys/param.h>
+#include <sys/sysmacros.h>
 #include <stdio.h>
 #include <time.h>
 #include <utmp.h>
diff --git a/pax/src/tar.c b/pax/src/tar.c
index 4b8c352..939f6a2 100644
--- a/pax/src/tar.c
+++ b/pax/src/tar.c
@@ -41,6 +41,7 @@
 #include <sys/time.h>
 #include <sys/stat.h>
 #include <sys/param.h>
+#include <sys/sysmacros.h>
 #include <string.h>
 #include <stdio.h>
 #include <unistd.h>