diff --git a/patchfile.gemspec b/patchfile.gemspec
index 79417f1..c515a89 100644
--- a/patchfile.gemspec
+++ b/patchfile.gemspec
@@ -81,7 +81,7 @@ begin
     if @file_text.include?(change_html_old)
       @file_text = @file_text.gsub(change_html_old,change_html_new)
       @f.write(@file_text)
-    elsif !@file_text.include?(change_html_old) && !@file_text.include?(change_html_new)
+    elsif (!@file_text.include?(change_html_old) && !@file_text.include?(change_html_new))
       insert_index = @file_text.index('html.gsub("%7B%7Blogo_url%7D%7D"')
       @file_text.insert(insert_index,change_html_new+"\n")
       @f.write(@file_text)