diff --git a/vnc.html b/vnc.html
index 9c945efb..701714ce 100644
--- a/vnc.html
+++ b/vnc.html
@@ -37,7 +37,9 @@
     <link rel="icon" sizes="144x144" type="image/png" href="app/images/icons/novnc-144x144.png">
     <link rel="icon" sizes="152x152" type="image/png" href="app/images/icons/novnc-152x152.png">
     <link rel="icon" sizes="192x192" type="image/png" href="app/images/icons/novnc-192x192.png">
+    <!-- Firefox currently mishandles SVG, see #1419039
     <link rel="icon" sizes="any" type="image/svg+xml" href="app/images/icons/novnc-icon.svg">
+    -->
     <!-- Repeated last so that legacy handling will pick this -->
     <link rel="icon" sizes="16x16" type="image/png" href="app/images/icons/novnc-16x16.png">
 
diff --git a/vnc_lite.html b/vnc_lite.html
index e00f96e0..4a96d448 100644
--- a/vnc_lite.html
+++ b/vnc_lite.html
@@ -36,7 +36,9 @@
     <link rel="icon" sizes="144x144" type="image/png" href="app/images/icons/novnc-144x144.png">
     <link rel="icon" sizes="152x152" type="image/png" href="app/images/icons/novnc-152x152.png">
     <link rel="icon" sizes="192x192" type="image/png" href="app/images/icons/novnc-192x192.png">
+    <!-- Firefox currently mishandles SVG, see #1419039
     <link rel="icon" sizes="any" type="image/svg+xml" href="app/images/icons/novnc-icon.svg">
+    -->
     <!-- Repeated last so that legacy handling will pick this -->
     <link rel="icon" sizes="16x16" type="image/png" href="app/images/icons/novnc-16x16.png">