1 files changed, 2 insertions, 4 deletions
diff --git a/attachment.cgi b/attachment.cgi
index 0b389501b..17846866f 100755
--- a/attachment.cgi
+++ b/attachment.cgi
@@ -207,12 +207,10 @@ sub attachmentIsPublic {
 # Validates format of a diff/interdiff. Takes a list as an parameter, which
 # defines the valid format values. Will throw an error if the format is not
 # in the list. Returns either the user selected or default format.
-sub validateFormat
-{
+sub validateFormat {
   # receives a list of legal formats; first item is a default
   my $format = $cgi->param('format') || $_[0];
-  if ( lsearch(\@_, $format) == -1)
-  {
+  if (not grep($_ eq $format, @_)) {
      ThrowUserError("invalid_format", { format  => $format, formats => \@_ });
   }