diff --git a/src/buffer.rs b/src/buffer.rs
index b9789946..97f90801 100644
--- a/src/buffer.rs
+++ b/src/buffer.rs
@@ -385,7 +385,7 @@ impl<'slice, 'sample> Block<'slice, 'sample> {
     }
 }
 
-#[cfg(miri)]
+#[cfg(any(miri, test))]
 mod miri {
     use super::*;