diff --git a/src/processor/memory/mmio/apu/channels.rs b/src/processor/memory/mmio/apu/channels.rs
index afd98c0..f18d483 100644
--- a/src/processor/memory/mmio/apu/channels.rs
+++ b/src/processor/memory/mmio/apu/channels.rs
@@ -268,7 +268,7 @@ impl PwmChannel {
     }
 
     pub(super) fn get_control(&self) -> u8 {
-        set_or_clear_bit(0, 6, self.length_enable)
+        set_or_clear_bit(0xFF, 6, self.length_enable)
     }
 
     fn set_wave_timer(&mut self) {