diff --git a/arena.h b/arena.h
index f71396a..ecafbda 100644
--- a/arena.h
+++ b/arena.h
@@ -36,7 +36,7 @@ static arena newarena(ptrdiff_t cap)
     return a;
 }
 
-static void *alloc(arena *a, ptrdiff_t size, ptrdiff_t align, ptrdiff_t count)
+static void *aralloc(arena *a, ptrdiff_t size, ptrdiff_t align, ptrdiff_t count)
 {
     ptrdiff_t padding   = -(size_t)a->begin & (align - 1);
     ptrdiff_t committed = a->commit - a->begin;