diff --git a/coreapi/chat.c b/coreapi/chat.c
index 3247a6cb1..6609e895b 100644
--- a/coreapi/chat.c
+++ b/coreapi/chat.c
@@ -1534,7 +1534,8 @@ void linphone_chat_message_remove_custom_header(LinphoneChatMessage *msg, const
 }
 
 bool_t linphone_chat_message_is_read(LinphoneChatMessage *msg) {
-	return (msg->state == LinphoneChatMessageStateDisplayed) ? TRUE : FALSE;
+	// TODO : Only state == displayed when reception accused supported
+	return (msg->state == LinphoneChatMessageStateDisplayed || msg->state == LinphoneChatMessageStateDelivered) ? TRUE : FALSE;
 }
 
 bool_t linphone_chat_message_is_outgoing(LinphoneChatMessage *msg) {