diff --git a/tools/msftidy.rb b/tools/msftidy.rb
index 81e3a5367e..949c20ce2c 100755
--- a/tools/msftidy.rb
+++ b/tools/msftidy.rb
@@ -125,17 +125,15 @@ class Msftidy
     has_nokogiri = false
     has_nokogiri_xml_parser = false
     @source.each_line do |line|
-      if line =~ /^\s*(require|load)\s+['"]nokogiri['"]/
-        has_nokogiri = true
-        break
-      end
-    end
-    if has_nokogiri
-      @source.each_line do |line|
-        if line =~ /Nokogiri::XML.parse/ or line =~ /Nokogiri::XML::Reader/
+      if has_nokogiri
+        if line =~ /Nokogiri::XML\.parse/ or line =~ /Nokogiri::XML::Reader/
           has_nokogiri_xml_parser = true
           break
         end
+      else
+        if line =~ /^\s*(require|load)\s+['"]nokogiri['"]/
+          has_nokogiri = true
+        end
       end
     end
     error(msg) if has_nokogiri_xml_parser