1 files changed, 2 insertions, 1 deletions

diff --git a/mempool/include/mempool.h b/mempool/include/mempool.h
index 0de7ac6..ad25614 100644
--- a/mempool/include/mempool.h
+++ b/mempool/include/mempool.h
@@ -69,7 +69,8 @@
 /// (default) or gracefully return null. Call mem_enable_traps() to toggle this
 /// behaviour.
 /// New blocks are conveniently zeroed out.
-#define mempool_alloc(POOL) mempool_alloc_(&(POOL)->pool)
+#define mempool_alloc(POOL) \
+  (__typeof__((POOL)->object[0])*)mempool_alloc_(&(POOL)->pool)
 
 /// Free the block.
 /// The block pointer is conveniently set to null.