diff --git a/coreapi/chat.c b/coreapi/chat.c
index 5c60a10c4..21c2a3752 100644
--- a/coreapi/chat.c
+++ b/coreapi/chat.c
@@ -339,7 +339,7 @@ void _linphone_chat_room_send_message(LinphoneChatRoom *cr, LinphoneChatMessage
 		LinphoneCall *call;
 		char *content_type;
 		const char *identity = NULL;
-		msg->time = time(NULL);
+		msg->time = ms_time(0);
 		if (lp_config_get_int(cr->lc->config, "sip", "chat_use_call_dialogs", 0) != 0) {
 			if ((call = linphone_core_get_call_by_remote_address(cr->lc, cr->peer)) != NULL) {
 				if (call->state == LinphoneCallConnected || call->state == LinphoneCallStreamsRunning ||
@@ -690,6 +690,7 @@ LinphoneChatMessage *linphone_chat_room_create_message(LinphoneChatRoom *cr, con
 	msg->content_type = NULL;			   /* this property is used only when transfering file */
 	msg->file_transfer_information = NULL; /* this property is used only when transfering file */
 	msg->http_request = NULL;
+	msg->time = ms_time(0);
 	return msg;
 }
 
diff --git a/coreapi/chat_file_transfer.c b/coreapi/chat_file_transfer.c
index 30d82f960..11394d6ca 100644
--- a/coreapi/chat_file_transfer.c
+++ b/coreapi/chat_file_transfer.c
@@ -569,5 +569,6 @@ LinphoneChatMessage *linphone_chat_room_create_file_transfer_message(LinphoneCha
 	msg->content_type = NULL;
 	/* this will store the http request during file upload to the server */
 	msg->http_request = NULL;
+	msg->time = ms_time(0);
 	return msg;
 }