diff --git a/components/wifi-manager/style.css b/components/wifi-manager/style.css
index 55921866..1e4ea057 100644
--- a/components/wifi-manager/style.css
+++ b/components/wifi-manager/style.css
@@ -362,6 +362,7 @@ td.value {
 
 iframe#dummyframe {
     float: right;
+    border: none;
 }
 
 div#message {