diff --git a/m-mempool.h b/m-mempool.h
index 2959e1ae..fd252d3b 100644
--- a/m-mempool.h
+++ b/m-mempool.h
@@ -29,7 +29,7 @@
 
 /* Fast Fixed Size thread unsafe allocator.
    USAGE:
-     MEMPOOL_DEF(uint, unsigned int)
+     MEMPOOL_DEF(memppol_uint, unsigned int)
      ...
      memppol_uint_t m;
      mempool_uint_init(m);