diff --git a/src/main/features/preventSleepWhilePlaying.js b/src/main/features/preventSleepWhilePlaying.js
index 429b03b..81536d7 100644
--- a/src/main/features/preventSleepWhilePlaying.js
+++ b/src/main/features/preventSleepWhilePlaying.js
@@ -7,7 +7,8 @@ ipcMain.on("changeState", (_event, state) => {
     if (!powerSaveBlockerId) {
       powerSaveBlockerId = powerSaveBlocker.start('prevent-app-suspension')
     }
-  } else if (powerSaveBlockerId) {
+  } else if (powerSaveBlockerId !== null) {
     powerSaveBlocker.stop(powerSaveBlockerId)
+    powerSaveBlockerId = null;
   }
 });