diff --git a/lib/libprocstat/Makefile b/lib/libprocstat/Makefile
--- a/lib/libprocstat/Makefile
+++ b/lib/libprocstat/Makefile
@@ -64,6 +64,8 @@
 	@cd ${.CURDIR}/zfs && ${MAKE} zfs_defs.o
 zfs/zfs_defs.pico: .PHONY
 	@cd ${.CURDIR}/zfs && ${MAKE} zfs_defs.pico
+zfs/zfs_defs.pieo: .PHONY
+	@cd ${.CURDIR}/zfs && ${MAKE} zfs_defs.pieo
 zfs/zfs_defs.po: .PHONY
 	@cd ${.CURDIR}/zfs && ${MAKE} zfs_defs.po
 .endif