diff --git a/src/html/index.html b/src/html/index.html
index 2306ad3..7b74b99 100644
--- a/src/html/index.html
+++ b/src/html/index.html
@@ -302,7 +302,7 @@ <h5 class="modal-title" id="accountModalTitle"></h5>
                     </div>
                     <div class="input-group">
                         <span class="input-group-text username-unregistered" id="username"></span>
-                        <input type="text" class="form-control" id="chat-input"/>
+                        <input type="text" class="form-control" maxlength="100" id="chat-input"/>
                         <div class="input-group-text" id="xssCheckboxContainer">
                             <input class="form-check-input" type="checkbox" value="" id="xssCheckbox"/>
                             <label class="form-check-label" for="xssCheckbox">XSS</label>