diff --git a/contrib/dracut/90zfs/mount-zfs.sh.in b/contrib/dracut/90zfs/mount-zfs.sh.in
index 8ae092c3df3f..23f7e3e295ed 100755
--- a/contrib/dracut/90zfs/mount-zfs.sh.in
+++ b/contrib/dracut/90zfs/mount-zfs.sh.in
@@ -66,7 +66,7 @@ if import_pool "${ZFS_POOL}" ; then
 			ask_for_password \
 				--tries 5 \
 				--prompt "Encrypted ZFS password for ${ENCRYPTIONROOT}: " \
-				--cmd "zfs load-key ${ENCRYPTIONROOT}"
+				--cmd "zfs load-key '${ENCRYPTIONROOT}'"
 		fi
 	fi
 	# Let us tell the initrd to run on shutdown.