diff --git a/mail/templates/default/compose.xet b/mail/templates/default/compose.xet
index 29659866ae..0bcf2b6d8a 100644
--- a/mail/templates/default/compose.xet
+++ b/mail/templates/default/compose.xet
@@ -81,7 +81,7 @@
 						<row class="mailComposeHeaders">
 							<description value="Subject"/>
 							<textbox align="left" width="100%" id="subject" span="2"/>
-							<checkbox statustext="Change editor type" label="HTML" id="mimeType" onchange="app.mail.submitOnChange" options=",, ,disable"/>
+							<checkbox statustext="Change editor type" label="HTML" id="mimeType" onchange="app.mail.submitOnChange" options=",, ,disable" tabindex="7"/>
 						</row>
 						<row>
 							<description/>