diff --git a/src/plugins/plugin_exp_pubsub_schema.py b/src/plugins/plugin_exp_pubsub_schema.py
index 3f69ac56..132e9a58 100755
--- a/src/plugins/plugin_exp_pubsub_schema.py
+++ b/src/plugins/plugin_exp_pubsub_schema.py
@@ -32,6 +32,7 @@ from wokkel import generic
 from zope.interface import implements
 from collections import Iterable
 import copy
+import itertools
 
 NS_SCHEMA = 'https://salut-a-toi/protocol/schema:0'
 
@@ -285,6 +286,10 @@ class PubsubSchema(object):
             if deserialise:
                 if field.fieldType == 'boolean':
                     values_list = [C.bool(v) for v in values_list]
+                elif field.fieldType == 'text-multi':
+                    # for text-multi, lines must be put on separate values
+                    values_list = list(itertools.chain(*[v.splitlines() for v in values_list]))
+
                 elif 'jid' in field.fieldType:
                     values_list = [jid.JID(v) for v in values_list]
             if 'list' in field.fieldType: