diff --git a/www/js/channel/panels/settingsPanel.js b/www/js/channel/panels/settingsPanel.js
index 3f9ca54..d8ff081 100644
--- a/www/js/channel/panels/settingsPanel.js
+++ b/www/js/channel/panels/settingsPanel.js
@@ -75,7 +75,17 @@ class settingsPanel extends panelObj{
      * @param {Event} event - Event handed down by event listener
      */
     updateIACDN(event){
+        //If we hit enter
         if(event.key == "Enter"){
+            //If we have an invalid server string
+            if(!(this.IACDNInput.value.match(/^ia[0-9]{6}\...$/g) || this.IACDNInput.value == "")){
+                //reset back to what was set before
+                this.IACDNInput.value = localStorage.getItem('IACDN');
+
+                //BAIL!
+                return;
+            }
+
             localStorage.setItem("IACDN", this.IACDNInput.value);
             client.processConfig("IACDN", this.IACDNInput.value);
         }