diff --git a/plugins/prebuffer-mixin/src/main.ts b/plugins/prebuffer-mixin/src/main.ts
index a94d7717c..64c15d099 100644
--- a/plugins/prebuffer-mixin/src/main.ts
+++ b/plugins/prebuffer-mixin/src/main.ts
@@ -478,8 +478,8 @@ class PrebufferSession {
           const mp4Session = await startFFMPegFragmentedMP4Session(ffmpegInput.inputArguments, acodec, vcodec, this.console);
 
           const kill = () => {
-            session.kill();
             mp4Session.cp.kill('SIGKILL');
+            session.kill();
             mp4Session.generator.throw(new Error('killed'));
           };