--- ./lib/TWiki/Plugins/NatSkinPlugin/Search.pm.orig	2007-06-02 15:46:44.000000000 -0700
+++ ./lib/TWiki/Plugins/NatSkinPlugin/Search.pm	2007-06-02 17:16:10.000000000 -0700
@@ -118,7 +118,7 @@
     $options = $1;
   }
   #writeDebug("options=$options");
-  my $doIgnoreCase = ($options =~ /u/ || $theIgnoreCase) ? 1 : 0;
+  my $doIgnoreCase = ($options !~ /u/ && $theIgnoreCase) ? 1 : 0;
 
   # construct the list of webs to search in
   my @webList = ($theWeb);
@@ -324,7 +324,7 @@
     #writeDebug("theWebList=" . join(" ", @$theWebList));
   }
 
-  my $cmdTemplate = "/bin/egrep -l$doIgnoreCase %PATTERN|U% %FILES|F%";
+  my $cmdTemplate = "/bin/egrep -l" . ($doIgnoreCase ? " -i" : "") . " %PATTERN|U% %FILES|F%";
   my $results = {};
   my $nrHits = 0;
   my @searchTerms = _getSearchTerms($theSearchString);