diff --git a/changelog_generator.rb b/changelog_generator.rb
index c225783..7fd8ac3 100755
--- a/changelog_generator.rb
+++ b/changelog_generator.rb
@@ -38,7 +38,7 @@ end
 
 def getAllClosedPullRequests
 
-  if @oauth_token.length
+  if @oauth_token
     github = Github.new oauth_token: @oauth_token
   else
     github = Github.new