diff --git a/AutoCat/Utils/Recorder.swift b/AutoCat/Utils/Recorder.swift
index 88ea5fa..76390a9 100644
--- a/AutoCat/Utils/Recorder.swift
+++ b/AutoCat/Utils/Recorder.swift
@@ -136,6 +136,8 @@ class Recorder {
     }
     
     func finishRecording() {
+        guard self.engine.isRunning else { return }
+        
         self.engine.stop()
         self.engine.inputNode.removeTap(onBus: 0)
         self.request.endAudio()