diff --git a/pkg/urbit/bench/ur_bench.c b/pkg/urbit/bench/ur_bench.c
index 5ede7b5e9..4c0151357 100644
--- a/pkg/urbit/bench/ur_bench.c
+++ b/pkg/urbit/bench/ur_bench.c
@@ -7,8 +7,9 @@
 static void
 _setup(void)
 {
-  u3m_init(1 << 23);
+  u3m_init(1 << 24);
   u3m_pave(c3y);
+  u3e_init();
 }
 
 /* _ames_writ_ex(): |hi packet from fake ~zod to fake ~nec