diff --git a/tests/cktools/grpck/04_grpck_missing_field_group_delete/grpck.exp b/tests/cktools/grpck/04_grpck_missing_field_group_delete/grpck.exp
index 098350b7..6d0be77e 100755
--- a/tests/cktools/grpck/04_grpck_missing_field_group_delete/grpck.exp
+++ b/tests/cktools/grpck/04_grpck_missing_field_group_delete/grpck.exp
@@ -4,6 +4,7 @@ set timeout 2
 expect_after default {puts "\nFAIL"; exit 1}
 
 spawn /bin/sh
+send "if \[ \$(id -u) -eq 0 \]; then PS1='# '; else PS1='$ '; fi\r"
 expect "# "
 
 send "grpck\r"