diff --git a/encode.js b/encode.js
old mode 100644
new mode 100755
index b2c199d..5575674
--- a/encode.js
+++ b/encode.js
@@ -649,9 +649,9 @@ startButton.onclick = () => {
 
 	sstvFormat.prepareImage(canvasData.data);
 	let startTime = audioCtx.currentTime + 1;
-	let endTime = sstvFormat.encodeSSTV(oscillator, audioCtx.currentTime + 1);
 	oscillator.start(startTime);
-	oscillator.end(endTime);
+	let endTime = sstvFormat.encodeSSTV(oscillator, audioCtx.currentTime + 1);
+	oscillator.stop(endTime);
 };
 
 function createWAVHeader(audioLength) {
@@ -742,4 +742,4 @@ downloadButton.onclick = () => {
         document.body.removeChild(a);
         URL.revokeObjectURL(url);
     });
-};
\ No newline at end of file
+};