diff --git a/defaults/linuxrc b/defaults/linuxrc
index 8311669..2d9864f 100644
--- a/defaults/linuxrc
+++ b/defaults/linuxrc
@@ -415,7 +415,7 @@ do
 
 		if [ "${ROOTFSTYPE}" = 'zfs' ]
 		then
-			if [ "zfs get -H -o value mountpoint ${REAL_ROOT}" = 'legacy' ]
+			if [ "$(zfs get -H -o value mountpoint ${REAL_ROOT})" = 'legacy' ]
 			then
 				MOUNT_STATE=rw
 			else