diff --git a/pelican/writers.py b/pelican/writers.py
index 4e61e40c..c14f4f71 100644
--- a/pelican/writers.py
+++ b/pelican/writers.py
@@ -158,8 +158,9 @@ class Writer(object):
                     relative_paths.append(found)
 
             for relative_path in relative_paths:
-                if not relative_path.startswith("http://"):
-                    dest_path = os.sep.join((get_relative_path(name), "static", relative_path))
+                if not "://" in relative_path: # we don't want to rewrite protocols
+                    dest_path = os.sep.join((get_relative_path(name), "static",
+                        relative_path))
                     content = content.replace(relative_path, dest_path)
 
             return content