diff --git a/addons/mail/static/src/components/composer_text_input/composer_text_input.scss b/addons/mail/static/src/components/composer_text_input/composer_text_input.scss
index 95c03a073c9..37663303544 100644
--- a/addons/mail/static/src/components/composer_text_input/composer_text_input.scss
+++ b/addons/mail/static/src/components/composer_text_input/composer_text_input.scss
@@ -7,14 +7,6 @@
     position: relative;
 }
 
-.o_ComposerTextInput_mentionDropdown {
-    position: absolute;
-
-    &.o-lowPosition {
-        bottom: 0;
-    }
-}
-
 .o_ComposerTextInput_textarea {
     padding: 10px;
     resize: none;
diff --git a/addons/mail/static/src/components/composer_text_input/composer_text_input.xml b/addons/mail/static/src/components/composer_text_input/composer_text_input.xml
index a834a61f1b7..dfa7bbd1182 100644
--- a/addons/mail/static/src/components/composer_text_input/composer_text_input.xml
+++ b/addons/mail/static/src/components/composer_text_input/composer_text_input.xml
@@ -7,6 +7,7 @@
                 <t t-if="composer.hasSuggestions">
                     <ComposerSuggestionList
                         composerLocalId="props.composerLocalId"
+                        isBelow="props.hasMentionSuggestionsBelowPosition"
                     />
                 </t>
                 <textarea class="o_ComposerTextInput_textarea" t-att-class="{ 'o-composer-is-compact': props.isCompact }" t-esc="composer.textInputContent" t-att-placeholder="textareaPlaceholder" t-on-focusin="_onFocusinTextarea" t-on-focusout="_onFocusoutTextarea" t-on-keydown="_onKeydownTextarea" t-on-keyup="_onKeyupTextarea" t-on-input="_onInputTextarea" t-ref="textarea"/>