diff --git a/base/client.jl b/base/client.jl
index 8c3a0be396a75..db5266cb77ebd 100644
--- a/base/client.jl
+++ b/base/client.jl
@@ -405,6 +405,7 @@ function _start()
                 quiet || REPL.banner(term,term)
                 if term.term_type == "dumb"
                     active_repl = REPL.BasicREPL(term)
+                    quiet || warn("Terminal not fully functional")
                 else
                     active_repl = REPL.LineEditREPL(term, true)
                     active_repl.no_history_file = no_history_file