diff --git a/src/coreaudio/mod.rs b/src/coreaudio/mod.rs
index 2366f0e..5b7c7e2 100644
--- a/src/coreaudio/mod.rs
+++ b/src/coreaudio/mod.rs
@@ -162,7 +162,7 @@ impl Voice {
 
     #[inline]
     pub fn get_period(&self) -> usize {
-        0
+        self.get_pending_samples()
     }
 
     #[inline]