diff --git a/lib/functions.bash b/lib/functions.bash
index ebd6a20..1254b01 100644
--- a/lib/functions.bash
+++ b/lib/functions.bash
@@ -1,7 +1,7 @@
 ## library of useful functions, usually prefixed with '_'
 
 function sudo_root {
-  [[ "$UID" -ne 0 ]] && sudo -vp 'SUDO privilege required: '
+  [[ "$UID" -ne 0 ]] && sudo -vp 'SUDO privilege required: ' 2>/dev/null
 }
 
 ## ASSERT Functions