diff --git a/bin/impl/commands.sh b/bin/impl/commands.sh
index b8a7f93..05251a9 100755
--- a/bin/impl/commands.sh
+++ b/bin/impl/commands.sh
@@ -287,7 +287,7 @@ function uno_status_main() {
 
 function uno_ashell_main() {
   check_dirs ACCUMULO_HOME || return 1
-  "$ACCUMULO_HOME"/bin/accumulo shell -u "$ACCUMULO_USER" -p "$ACCUMULO_PASSWORD" "$@"
+  "$ACCUMULO_HOME"/bin/accumulo shell "$@"
 }
 
 function uno_jshell_main() {