1 files changed, 1 insertions, 0 deletions
diff --git a/lib/warnings.t b/lib/warnings.t
index 8e57a6db59..0e65da992b 100644
--- a/lib/warnings.t
+++ b/lib/warnings.t
@@ -40,6 +40,7 @@ foreach my $file (@w_files) {
 
     next if $file =~ /(~|\.orig|,v)$/;
     next if $file =~ /perlio$/ && !(find PerlIO::Layer 'perlio');
+    next if -d $file;
 
     open F, "<$file" or die "Cannot open $file: $!\n" ;
     my $line = 0;