diff --git a/server/src/classes/EventTimer.js b/server/src/classes/EventTimer.js
index c7fc10943..2d2b16349 100644
--- a/server/src/classes/EventTimer.js
+++ b/server/src/classes/EventTimer.js
@@ -964,8 +964,10 @@ export class EventTimer extends Timer {
    * @description Set onAir property of timer
    * @param {boolean} onAir - whether flag is active
    */
-  set onAir(onAir) {
+  setonAir(onAir) {
     this.onAir = onAir;
+    // broadcast change
+    this.broadcastThis('onAir', onAir);
   }
 
   start() {
diff --git a/server/src/controllers/OscController.js b/server/src/controllers/OscController.js
index 5eff71e31..45a6d715e 100644
--- a/server/src/controllers/OscController.js
+++ b/server/src/controllers/OscController.js
@@ -38,11 +38,11 @@ export const initiateOSC = (config) => {
 
     // get second part (command)
     switch (path.toLowerCase()) {
-      case 'onAir':
-        global.timer.onAir = true;
+      case 'onair':
+        global.timer.setonAir(true);
         break;
-      case 'offAir':
-        global.timer.onAir = false;
+      case 'offair':
+        global.timer.setonAir(false);
         break;
       case 'start':
       case 'play':
diff --git a/server/src/controllers/playbackController.js b/server/src/controllers/playbackController.js
index 0e2477878..0a5aca215 100644
--- a/server/src/controllers/playbackController.js
+++ b/server/src/controllers/playbackController.js
@@ -8,7 +8,7 @@ export const pbGet = async (req, res) => {
 // Turns onAir flag to true
 export const onAir = async (req, res) => {
   console.log('Setting onAir to true');
-  global.timer.onAir = true;
+  global.timer.setonAir(true);
   res.sendStatus(200);
 };
 
@@ -16,7 +16,7 @@ export const onAir = async (req, res) => {
 // Turns onAir flag to true
 export const offAir = async (req, res) => {
   console.log('Setting onAir to false');
-  global.timer.onAir = false;
+  global.timer.setonAir(false);
   res.sendStatus(200);
 };