diff --git a/agb/src/agb_alloc/block_allocator.rs b/agb/src/agb_alloc/block_allocator.rs
index e95ada5c..f1e1907f 100644
--- a/agb/src/agb_alloc/block_allocator.rs
+++ b/agb/src/agb_alloc/block_allocator.rs
@@ -35,6 +35,7 @@ impl Block {
         .expect("too large allocation")
         .align_to(8)
         .expect("too large allocation")
+        .pad_to_align()
     }
 }