diff --git a/runipy/main.py b/runipy/main.py
index <HASH>..<HASH> 100644
--- a/runipy/main.py
+++ b/runipy/main.py
@@ -118,7 +118,13 @@ def main():
             exporter = HTMLExporter()
         else:
             exporter = HTMLExporter(
-                    config=Config({'HTMLExporter':{'template_file':args.template, 'template_path': ['.', '/']}}))
+                config=Config({
+                    'HTMLExporter': {
+                        'template_file':args.template,
+                        'template_path': ['.', '/']
+                    }
+                })
+            )
 
         logging.info('Saving HTML snapshot to %s' % args.html)
         output, resources = exporter.from_notebook_node(nb_runner.nb)
runipy/main.py: Wrap `HTMLExporter` arguments to make them more readable and shorten the line length.