1 files changed, 2 insertions, 1 deletions

diff --git a/mem/include/mem.h b/mem/include/mem.h
index 3050ba8..d669f2d 100644
--- a/mem/include/mem.h
+++ b/mem/include/mem.h
@@ -71,7 +71,8 @@
 /// (default) or gracefully return null. Call mem_enable_traps() to toggle this
 /// behaviour.
 /// New chunks are conveniently zeroed out.
-#define mem_alloc(MEM, num_blocks) mem_alloc_(&(MEM)->mem, num_blocks)
+#define mem_alloc(MEM, num_blocks) \
+  (__typeof__((MEM)->object[0])*)mem_alloc_(&(MEM)->mem, num_blocks)
 
 /// Free the chunk.
 /// The chunk pointer is conveniently set to null.