diff --git a/clients/web/build/index.htm b/clients/web/build/index.htm
index b9dc297..a9bbaac 100644
--- a/clients/web/build/index.htm
+++ b/clients/web/build/index.htm
@@ -131,7 +131,7 @@
 						</a>
 					</div>
 					<div class="col s12 m6 l6 btn_grid">
-						<a class="btn waves-effect waves-light btn_mode_static blue" name="action" data-mode="E131">E131
+						<a class="btn waves-effect waves-light btn_mode_static blue" name="action" data-mode="e131">E131
 							<i class="material-icons right">send</i>
 						</a>
 					</div>
diff --git a/clients/web/src/index.htm b/clients/web/src/index.htm
index 8ee3614..86f262c 100644
--- a/clients/web/src/index.htm
+++ b/clients/web/src/index.htm
@@ -131,7 +131,7 @@
 						</a>
 					</div>
 					<div class="col s12 m6 l6 btn_grid">
-						<a class="btn waves-effect waves-light btn_mode_static blue" name="action" data-mode="E131">E131
+						<a class="btn waves-effect waves-light btn_mode_static blue" name="action" data-mode="e131">E131
 							<i class="material-icons right">send</i>
 						</a>
 					</div>