diff --git a/examples/ffmpeg_recorder.rs b/examples/ffmpeg_recorder.rs
index f40f0ef..c460925 100644
--- a/examples/ffmpeg_recorder.rs
+++ b/examples/ffmpeg_recorder.rs
@@ -125,6 +125,9 @@ impl MyEmulator {
             av_info.geometry.base_height = 480;
             av_info.geometry.aspect_ratio = 4.33;
         }
+        if av_info.timing.sample_rate == 0.0 {
+            av_info.timing.sample_rate = 32040.0;
+        }
         video_encoder.set_width(av_info.geometry.base_width);
         video_encoder.set_height(av_info.geometry.base_height);
         //video_encoder.set_aspect_ratio(av_info.geometry.aspect_ratio as f64);
@@ -136,7 +139,8 @@ impl MyEmulator {
         let audio_filter = audio_filter(&audio_encoder, av_info.timing.sample_rate).unwrap();
 
         let video_encoder = video_encoder.open().unwrap();
-        let audio_encoder = audio_encoder.open().unwrap();
+        let mut audio_encoder = audio_encoder.open().unwrap();
+        audio_encoder.set_rate(av_info.timing.sample_rate.round() as i32);
 
         let emu = MyEmulator {
             retro,
@@ -169,6 +173,7 @@ impl MyEmulator {
             self.audio_buf.len(),
             ChannelLayout::STEREO
         );
+        aframe.set_rate(32040);
         let aplane: &mut [(i16, i16)] = aframe.plane_mut(0);
         aplane.copy_from_slice(self.audio_buf.as_ref());
         self.audio_buf.clear();