diff --git a/vulkano/src/buffer/cpu_pool.rs b/vulkano/src/buffer/cpu_pool.rs
index 6def48efe..b02899a1b 100644
--- a/vulkano/src/buffer/cpu_pool.rs
+++ b/vulkano/src/buffer/cpu_pool.rs
@@ -815,7 +815,7 @@ mod tests {
         let pool = CpuBufferPool::upload(device);
         assert_eq!(pool.capacity(), 0);
 
-        pool.next(12);
+        pool.next(12).unwrap();
         let first_cap = pool.capacity();
         assert!(first_cap >= 1);