diff --git a/lib/libzpool/Makefile.am b/lib/libzpool/Makefile.am
index 52ca5de1f1..d8550605cd 100644
--- a/lib/libzpool/Makefile.am
+++ b/lib/libzpool/Makefile.am
@@ -58,6 +58,7 @@ libzpool_la_SOURCES = \
 	${top_srcdir}/module/zfs/spa_errlog.c \
 	${top_srcdir}/module/zfs/spa_history.c \
 	${top_srcdir}/module/zfs/zfs_fm.c \
+	${top_srcdir}/module/zfs/zfs_byteswap.c \
 	${top_srcdir}/module/zfs/zio.c \
 	${top_srcdir}/module/zfs/zio_checksum.c \
 	${top_srcdir}/module/zfs/fletcher.c \