diff --git a/templates/requests/approval.html b/templates/requests/approval.html
index 66762f35..e39c1568 100644
--- a/templates/requests/approval.html
+++ b/templates/requests/approval.html
@@ -96,7 +96,7 @@
 
                   <div class='form-row'>
                     <div class='form-col form-col--half'>
-                      {{ TextInput(f.email_mao, placeholder="name@mail.mil") }}
+                      {{ TextInput(f.email_mao, placeholder="name@mail.mil", validation='email') }}
                     </div>
 
                     <div class='form-col form-col--half'>