diff --git a/mail/js/app.js b/mail/js/app.js
index 0862d07293..70a4666b61 100644
--- a/mail/js/app.js
+++ b/mail/js/app.js
@@ -4701,8 +4701,7 @@ app.classes.mail = AppJS.extend(
 
 				if (textArea.id != "mail_htmltext")
 				{
-					textArea.getParent().set_height(bodySize);
-					textArea.set_height(bodySize);
+					textArea.getParent().style.height = `${bodySize}px`;
 				}
 				else if (typeof textArea != 'undefined' && textArea.id == 'mail_htmltext')
 				{
diff --git a/mail/templates/default/compose.xet b/mail/templates/default/compose.xet
index 7399f60021..576a70eb02 100644
--- a/mail/templates/default/compose.xet
+++ b/mail/templates/default/compose.xet
@@ -142,7 +142,7 @@
 				<htmlarea name="mail_htmltext" id="mail_htmltext" statusbar="false" menubar="false" toolbar="@html_toolbar" imageUpload="link_to" expand_toolbar="true" height="478px" width="100%" resize_ratio="0"/>
 			</et2-hbox>
 			<et2-hbox  disabled="@is_html" class="mailComposeBody mailComposeTextContainer">
-				<et2-textarea  rows="40" cols="120" width="100%" span="all" name="mail_plaintext" id="mail_plaintext" noLang="1" resizeRatio="0"></et2-textarea>
+				<et2-textarea  width="100%" span="all" name="mail_plaintext" id="mail_plaintext" noLang="1" resizeRatio="0"></et2-textarea>
 			</et2-hbox>
 
 		</et2-vbox>