diff --git a/modules/agen-new.html b/modules/agen-new.html
index bbab021..a78a2da 100644
--- a/modules/agen-new.html
+++ b/modules/agen-new.html
@@ -69,7 +69,7 @@
         <div style="display: grid; grid-template-columns: auto auto 1fr; column-gap:.5ch;">
             <span>Username*</span>
             <span>:</span>
-            <input type="text" id="unm">
+            <input type="text" id="unm" maxlength="16">
             <span>Password*</span>
             <span>:</span>
             <input type="password" id="pwd">
diff --git a/modules/agen-newaccount.html b/modules/agen-newaccount.html
index a6cca8c..0ce0216 100644
--- a/modules/agen-newaccount.html
+++ b/modules/agen-newaccount.html
@@ -1,7 +1,7 @@
 <div style="display: grid; grid-template-columns: auto auto 1fr; column-gap:.5ch;">
     <span>Username*</span>
     <span>:</span>
-    <input type="text" id="unme">
+    <input type="text" id="unme" maxlength="16">
     <span>Password*</span>
     <span>:</span>
     <input type="password" id="pwd">