diff --git a/base/public.jl b/base/public.jl
index 380eea344a3a8..3308c58ff1780 100644
--- a/base/public.jl
+++ b/base/public.jl
@@ -111,6 +111,7 @@ public
     reseteof,
     link_pipe!,
     dup,
+    showarg,
 
 # filesystem operations
     rename,