diff --git a/src/reskit/soundtrack/dmf.rs b/src/reskit/soundtrack/dmf.rs
index 2796e63..821a447 100644
--- a/src/reskit/soundtrack/dmf.rs
+++ b/src/reskit/soundtrack/dmf.rs
@@ -703,7 +703,7 @@ impl DmfModule {
                 }
 
                 // Now generate the Echo EEF envelope from volume_envelope/volume_repeat + arpeggio_envelope/arpeggio_repeat
-                let mut envelope: Vec<u8> = Vec::new();
+                let mut envelope: Vec<u8> = vec![ 0x00 ];
                 for i in 0..volume_envelope.len() {
                     envelope.push( get_eef_volume( volume_envelope[ i ] )? | get_eef_shift( arpeggio_envelope[ i ] )? );
                 }