diff --git a/addons/mail/static/src/components/message/message.scss b/addons/mail/static/src/components/message/message.scss
index 6501c9581dd..5840427128e 100644
--- a/addons/mail/static/src/components/message/message.scss
+++ b/addons/mail/static/src/components/message/message.scss
@@ -158,6 +158,7 @@
 .o_Message_trackingValue {
     display: flex;
     align-items: center;
+    flex-wrap: wrap;
 }
 
 .o_Message_trackingValueItem {