diff --git a/web/app/assets/javascripts/configureTrack.js b/web/app/assets/javascripts/configureTrack.js
index 01b32d7c5..c2d9b8fb0 100644
--- a/web/app/assets/javascripts/configureTrack.js
+++ b/web/app/assets/javascripts/configureTrack.js
@@ -696,7 +696,7 @@
 
         function validateAudioSettings(allowEmptyInput) {
             var isValid = true;
-            var noTrackErrMsg = 'You must assign at least one input port to each of your tracks. Please update your settings to correct this.';
+            var noTrackErrMsg = 'You can assign no more than 2 input ports to each of your tracks. Please update your settings to correct this.';
             var noInstrumentErrMsg = 'You must specify what instrument is being played for each track. Please update your settings to correct this.';
             var outputErrMsg = 'You must assign two output ports for stereo session audio to hear music. Please update your settings to correct this.';
 
@@ -725,12 +725,14 @@
 
                 // if Track 2 exists, verify Input and Instrument exist
                 if (isValid) {
-                    if ($('#track2-input > option').size() > 2) {
+                    var track2Count = $('#track2-input > option').size();
+                    if (track2Count > 2) {
                         errMsg = noTrackErrMsg;
                         isValid = false;
                     }
 
-                    if (isValid && $('#track2-instrument > option:selected').length === 0) {
+                    // only validate instrument if second track is selected
+                    if (isValid && track2Count > 0 && $('#track2-instrument > option:selected').length === 0) {
                         errMsg = noInstrumentErrMsg;
                         isValid = false;
                     }