diff --git a/contrib/dracut/90zfs/zfs-load-key.sh.in b/contrib/dracut/90zfs/zfs-load-key.sh.in
index 42dc1d08f3..3f466798e7 100755
--- a/contrib/dracut/90zfs/zfs-load-key.sh.in
+++ b/contrib/dracut/90zfs/zfs-load-key.sh.in
@@ -30,7 +30,7 @@ if [ "${root}" = "zfs:AUTO" ] ; then
     BOOTFS="$(zpool list -H -o bootfs | awk '$1 != "-" {print; exit}')"
 else
     BOOTFS="${root##zfs:}"
-    BOOTFS="${root##ZFS=}"
+    BOOTFS="${BOOTFS##ZFS=}"
 fi
 
 # if pool encryption is active and the zfs command understands '-o encryption'