diff --git a/src/pages/home/HeaderView.js b/src/pages/home/HeaderView.js
index d5c205af9c47..d8d183de2511 100644
--- a/src/pages/home/HeaderView.js
+++ b/src/pages/home/HeaderView.js
@@ -65,7 +65,7 @@ const HeaderView = (props) => {
 
             return {
                 displayName: (isMultipleParticipant ? firstName : displayNameTrimmed) || Str.removeSMSDomain(login),
-                tooltip: login,
+                tooltip: Str.removeSMSDomain(login),
             };
         },
     );
diff --git a/src/pages/home/sidebar/OptionRow.js b/src/pages/home/sidebar/OptionRow.js
index 9fed30b58560..47fee412d3f3 100644
--- a/src/pages/home/sidebar/OptionRow.js
+++ b/src/pages/home/sidebar/OptionRow.js
@@ -135,7 +135,7 @@ const OptionRow = ({
 
             return {
                 displayName: (isMultipleParticipant ? firstName : displayNameTrimmed) || Str.removeSMSDomain(login),
-                tooltip: login,
+                tooltip: Str.removeSMSDomain(login),
             };
         },
     );