diff --git a/base/public.jl b/base/public.jl
index 4e5a9947a5661..abaa792968795 100644
--- a/base/public.jl
+++ b/base/public.jl
@@ -43,6 +43,7 @@ public
     split_rest,
     tail,
     checked_length,
+    elsize,
 
 # Loading
     DL_LOAD_PATH,