diff --git a/tabs/mixer.js b/tabs/mixer.js
index cf2f1619f..125920089 100644
--- a/tabs/mixer.js
+++ b/tabs/mixer.js
@@ -569,7 +569,7 @@ TABS.mixer.initialize = function (callback, scrollPosition) {
         saveChainer.execute();
     }
 
-    function processHtml() {
+    function processHtml(settingsPromise) {
 
         $servoMixTable = $('#servo-mix-table');
         $servoMixTableBody = $servoMixTable.find('tbody');
@@ -748,6 +748,9 @@ TABS.mixer.initialize = function (callback, scrollPosition) {
             $mixerPreset.trigger('change');
         }
 
+        // Re-run after settings load, since configureInputs() is async.
+        settingsPromise.then(() => updateMotorDirection());
+
         modal = new jBox('Modal', {
             width: 480,
             height: 240,