diff --git a/addons/mail/static/src/core/common/message.xml b/addons/mail/static/src/core/common/message.xml
index 125a3ed7bc0..52904d069b9 100644
--- a/addons/mail/static/src/core/common/message.xml
+++ b/addons/mail/static/src/core/common/message.xml
@@ -73,7 +73,7 @@
                                    'pe-2': env.inChatWindow and !isAlignedRight and composerViewInEditing,
                                    }"
                         >
-                            <div class="o-mail-Message-content" t-att-class="{ 'w-100': state.isEditing }">
+                            <div class="o-mail-Message-content o-min-width-0" t-att-class="{ 'w-100': state.isEditing }">
                                 <div class="o-mail-Message-textContent position-relative d-flex" t-att-class="{ 'w-100': state.isEditing }">
                                     <t t-if="message.type !== 'notification' and !message.isTransient and (message.hasTextContent or message.subtypeDescription)">
                                         <LinkPreviewList t-if="!state.isEditing and message.linkPreviewSquash" linkPreviews="message.linkPreviews" deletable="false"/>