diff --git a/lib/jekyll-pandoc-multiple-formats/generator.rb b/lib/jekyll-pandoc-multiple-formats/generator.rb
index 41821c9fd91cd12748d6da50dbe4e203147e00a0..5a57b2c91fe4a1ee5211a5932fb97c357b310362 100644
--- a/lib/jekyll-pandoc-multiple-formats/generator.rb
+++ b/lib/jekyll-pandoc-multiple-formats/generator.rb
@@ -88,7 +88,7 @@ class PandocGenerator < Generator
           next unless pandoc_file.pdf_cover!
           united_output = pandoc_file.path.gsub(/\.pdf\Z/, '-cover.pdf')
           united_file = JekyllPandocMultipleFormats::Unite
-            .new(united_output, [pandoc_file.pdf_cover,pandoc_file.path], pandoc_file.papersize)
+            .new(united_output, [pandoc_file.pdf_cover,pandoc_file.path])
 
           if united_file.write
             # Replace the original file with the one with cover
diff --git a/lib/jekyll-pandoc-multiple-formats/version.rb b/lib/jekyll-pandoc-multiple-formats/version.rb
index a8497db6a206c5244e2250aa1db35bc87ee65eb3..8ba8238d28ef53f55709e0bf16faa666583aa125 100644
--- a/lib/jekyll-pandoc-multiple-formats/version.rb
+++ b/lib/jekyll-pandoc-multiple-formats/version.rb
@@ -1,3 +1,3 @@
 module JekyllPandocMultipleFormats
-  VERSION = '0.2.2'
+  VERSION = '0.2.3'
 end