diff --git a/addons/mail/static/src/discuss_app/autoresize_input.xml b/addons/mail/static/src/discuss_app/autoresize_input.xml
index 740f682df68..cb8082127c3 100644
--- a/addons/mail/static/src/discuss_app/autoresize_input.xml
+++ b/addons/mail/static/src/discuss_app/autoresize_input.xml
@@ -3,7 +3,7 @@
 
 <t t-name="mail.AutoresizeInput" owl="1">
     <input
-        class="o-mail-AutoresizeInput text-truncate p-1 border-1 bg-view border-transparent"
+        class="o-mail-AutoresizeInput text-truncate px-1 border-1 bg-view border-transparent"
         t-attf-class="{{ props.className }}"
         t-attf-placeholder="{{ props.placeholder }}"
         t-att-disabled="!props.enabled"
diff --git a/addons/mail/static/src/discuss_app/discuss.xml b/addons/mail/static/src/discuss_app/discuss.xml
index 7cb015bf6dc..fa56e7481f2 100644
--- a/addons/mail/static/src/discuss_app/discuss.xml
+++ b/addons/mail/static/src/discuss_app/discuss.xml
@@ -22,7 +22,7 @@
                 <ImStatus t-if="thread and thread.type === 'chat' and thread.correspondent" className="'me-1'" persona="thread.correspondent"/>
                 <div class="d-flex flex-grow-1 align-self-center align-items-center h-100 py-2">
                     <AutoresizeInput
-                        className="'o-mail-Discuss-threadName lead fw-bold flex-shrink-1 text-dark'"
+                        className="'o-mail-Discuss-threadName lead fw-bold flex-shrink-1 text-dark py-0'"
                         enabled="thread.is_editable"
                         onValidate.bind="renameThread"
                         value="thread.displayName"
@@ -31,7 +31,7 @@
                         <div class="flex-shrink-0 mx-2 py-2 border-start"/>
                         <t t-set="autogrowDescriptionPlaceholder">Add a description</t>
                         <AutoresizeInput
-                            className="'o-mail-Discuss-threadDescription flex-shrink-1'"
+                            className="'o-mail-Discuss-threadDescription flex-shrink-1 py-1'"
                             enabled="thread.is_editable"
                             onValidate.bind="updateThreadDescription"
                             placeholder="thread.is_editable ? autogrowDescriptionPlaceholder : ''"
@@ -54,6 +54,7 @@
                             <t t-if="store.user" t-esc="store.user.name"/>
                             <t t-else="">
                                 <AutoresizeInput
+                                    className="'py-1'"
                                     onValidate.bind="renameGuest"
                                     value="store.guest.name"
                                 />