diff --git a/envsetup.sh b/envsetup.sh
index 084518d..b36f86f 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -676,7 +676,7 @@
     COMPREPLY=( $(compgen -W "${LUNCH_MENU_CHOICES[*]}" -- ${cur}) )
     return 0
 }
-complete -F _lunch lunch
+complete -F _lunch lunch 2>/dev/null
 
 # Configures the build to build unbundled apps.
 # Run tapas with one or more app names (from LOCAL_PACKAGE_NAME)