diff --git a/src/modify.html b/src/modify.html
index a168282..59fc8dd 100644
--- a/src/modify.html
+++ b/src/modify.html
@@ -12,7 +12,7 @@
     <label for="pass">Password</label>
     <input type="password" id="pass" name="pass"/> <br/>
     <label for="field">Field</label>
-    <select id="field">
+    <select onchange="selectField()" id="field">
         <option value="" selected="selected">Please select an option</option>
         <option value="mail">Email</option>
         <option value="sshPublicKey">SSH key</option>
@@ -58,6 +58,16 @@
             document.getElementById('formStatus').innerHTML = "<span style='background-color: red; color: white'>Please select a field to modify</span>";
         }
     }
+
+    function selectField(){
+        const field = document.getElementById('field').value;
+        const value = document.getElementById('value');
+        if(field === 'mail'){
+            value.type = 'email';
+        } else {
+            value.type = 'text';
+        }
+    }
 </script>
 </body>
 <script>