diff --git a/sigal/writer.py b/sigal/writer.py
index a40b29f..60d09ed 100644
--- a/sigal/writer.py
+++ b/sigal/writer.py
@@ -74,6 +74,7 @@ class Writer(object):
                 PrefixLoader({'!default': default_loader})  # explicit one
             ]),
             trim_blocks=True,
+            lstrip_blocks=True
         )
 
         try: