diff --git a/oml/media/pdf.py b/oml/media/pdf.py
index 75313b2..90e76cf 100644
--- a/oml/media/pdf.py
+++ b/oml/media/pdf.py
@@ -56,7 +56,7 @@ def page(pdf, page):
         'pdftocairo',
         pdf,
         '-jpeg',
-        '-f',  str(page), '-l', str(page),
+        '-f', str(page), '-l', str(page),
         '-scale-to', '1024', '-cropbox',
         os.path.join(tmp, 'page')
     ]