diff --git a/htdocs/lib/FrequencyDisplay.js b/htdocs/lib/FrequencyDisplay.js
index b6eb1964..13390772 100644
--- a/htdocs/lib/FrequencyDisplay.js
+++ b/htdocs/lib/FrequencyDisplay.js
@@ -120,6 +120,7 @@ TuneableFrequencyDisplay.prototype.setupEvents = function() {
         submit();
     });
     $inputs.on('blur', function(e){
+        if (!me.input.is(':visible')) return;
         if ($inputs.toArray().indexOf(e.relatedTarget) >= 0) {
             return;
         }