diff --git a/dist/generators/html-pdf-cli-generator.js b/dist/generators/html-pdf-cli-generator.js
index eb4692e..54cf3b5 100644
--- a/dist/generators/html-pdf-cli-generator.js
+++ b/dist/generators/html-pdf-cli-generator.js
@@ -87,18 +87,18 @@ Definition of the HtmlPdfCLIGenerator class.
     TODO: Local web server to ease wkhtmltopdf rendering
      */
     wkhtmltopdf: function(markup, fOut, opts, on_error) {
-      var tempFile, wkhtmltopdf_args, wkhtmltopdf_options;
+      var tempFile, wkargs, wkopts;
       tempFile = fOut.replace(/\.pdf$/i, '.pdf.html');
       FS.writeFileSync(tempFile, markup, 'utf8');
-      wkhtmltopdf_options = _.extend({
-        'margin-bottom': '10mm',
-        'margin-top': '10mm'
+      wkopts = _.extend({
+        'margin-top': '10mm',
+        'margin-bottom': '10mm'
       }, opts.wkhtmltopdf);
-      wkhtmltopdf_options = _.flatten(_.map(wkhtmltopdf_options, function(v, k) {
+      wkopts = _.flatten(_.map(wkopts, function(v, k) {
         return ['--' + k, v];
       }));
-      wkhtmltopdf_args = wkhtmltopdf_options.concat([tempFile, fOut]);
-      SPAWN('wkhtmltopdf', wkhtmltopdf_args, false, on_error, this);
+      wkargs = wkopts.concat([tempFile, fOut]);
+      SPAWN('wkhtmltopdf', wkargs, false, on_error, this);
     },
 
     /**
diff --git a/src/generators/html-pdf-cli-generator.coffee b/src/generators/html-pdf-cli-generator.coffee
index 15a7edd..f7682c8 100644
--- a/src/generators/html-pdf-cli-generator.coffee
+++ b/src/generators/html-pdf-cli-generator.coffee
@@ -70,14 +70,11 @@ engines =
     FS.writeFileSync tempFile, markup, 'utf8'
 
     # Prepare wkhtmltopdf arguments.
-    wkhtmltopdf_options = _.extend(
-      {'margin-bottom': '10mm', 'margin-top': '10mm'}, opts.wkhtmltopdf)
-    wkhtmltopdf_options = _.flatten(_.map(wkhtmltopdf_options, (v, k)->
-      return ['--' + k, v]
-    ))
-    wkhtmltopdf_args = wkhtmltopdf_options.concat [ tempFile, fOut  ]
+    wkopts = _.extend 'margin-top': '10mm', 'margin-bottom': '10mm', opts.wkhtmltopdf
+    wkopts = _.flatten _.map wkopts, (v, k) -> ['--' + k, v]
+    wkargs = wkopts.concat [ tempFile, fOut  ]
 
-    SPAWN 'wkhtmltopdf', wkhtmltopdf_args , false, on_error, @
+    SPAWN 'wkhtmltopdf', wkargs , false, on_error, @
     return