X-Git-Url: https://git.exim.org/users/heiko/exim.git/blobdiff_plain/100122504d03e5583b8321f939d4f688ab16886c..b1227303735a346c79fd0734c9efb5d13609ad55:/test/lib/Exim/Runtest.pm

diff --git a/test/lib/Exim/Runtest.pm b/test/lib/Exim/Runtest.pm
index e60fce1e6..845388b8b 100644
--- a/test/lib/Exim/Runtest.pm
+++ b/test/lib/Exim/Runtest.pm
@@ -23,7 +23,7 @@ for the F<runtest> script. No functions are exported yet.
 =cut
 
 sub mailgroup {
-    my $group = shift;
+    my $group = shift // croak "Need a default group name.";
 
     croak "Need a group *name*, not a numeric group id."
         if $group =~ /^\d+$/;