diff --git a/addons/web/static/src/js/libs/popper.js b/addons/web/static/src/js/libs/popper.js
new file mode 100644
index 00000000000..e94cf40c5b5
--- /dev/null
+++ b/addons/web/static/src/js/libs/popper.js
@@ -0,0 +1,2 @@
+/** @odoo-module **/
+Popper.Defaults.modifiers.preventOverflow.priority = ['right', 'left', 'bottom', 'top'];
diff --git a/addons/web/views/webclient_templates.xml b/addons/web/views/webclient_templates.xml
index dec1da40b4e..3f83e9616b1 100644
--- a/addons/web/views/webclient_templates.xml
+++ b/addons/web/views/webclient_templates.xml
@@ -129,6 +129,7 @@
         <script type="text/javascript" src="/web/static/src/js/libs/download.js"></script>
         <script type="text/javascript" src="/web/static/src/js/libs/content-disposition.js"></script>
         <script type="text/javascript" src="/web/static/src/js/libs/underscore.js"></script>
+        <script type="text/javascript" src="/web/static/src/js/libs/popper.js"></script>
         <script type="text/javascript" src="/web/static/src/js/libs/fullcalendar.js"></script>
 
         <script type="text/javascript" src="/web/static/src/js/chrome/keyboard_navigation_mixin.js"></script>
diff --git a/addons/website_forum/static/src/js/website_forum.js b/addons/website_forum/static/src/js/website_forum.js
index fe3403482bf..c20b65d4b1a 100644
--- a/addons/website_forum/static/src/js/website_forum.js
+++ b/addons/website_forum/static/src/js/website_forum.js
@@ -167,7 +167,7 @@ publicWidget.registry.websiteForum = publicWidget.Widget.extend({
                 offset: 10,
                 animation: false,
                 html: true,
-            });
+            }).popover('hide').data('bs.popover').tip.classList.add('o_wforum_bio_popover_container');
         });
 
         this.$('#post_reply').on('shown.bs.collapse', function (e) {
diff --git a/addons/website_forum/static/src/scss/website_forum.scss b/addons/website_forum/static/src/scss/website_forum.scss
index 1ca07320d02..c9539b42c02 100644
--- a/addons/website_forum/static/src/scss/website_forum.scss
+++ b/addons/website_forum/static/src/scss/website_forum.scss
@@ -253,6 +253,10 @@ img.o_forum_avatar_big {
     margin-bottom: $spacer;
 }
 
+.popover.o_wforum_bio_popover_container {
+    max-width: 552px;
+}
+
 .o_wforum_forum_card_bg {
     background-image: linear-gradient(99deg, theme-color('secondary') 10%, darken(theme-color('secondary'), 10%) 90%);