diff --git a/confluent_client/bin/confetty b/confluent_client/bin/confetty
index 024f0706..926074cb 100755
--- a/confluent_client/bin/confetty
+++ b/confluent_client/bin/confetty
@@ -749,7 +749,7 @@ if sys.stdout.isatty():
     readline.parse_and_bind("tab: complete")
     readline.parse_and_bind("set bell-style none")
     dl = readline.get_completer_delims().replace('-', '')
-    readline.set_completer_delims()
+    readline.set_completer_delims(dl)
     readline.set_completer(completer)
 
 doexit = False