diff --git a/pelican/contents.py b/pelican/contents.py
index 3187f328..fbd3ca8b 100644
--- a/pelican/contents.py
+++ b/pelican/contents.py
@@ -261,6 +261,11 @@ class Content(object):
                                 self.get_relative_source_path())
                     origin = '/'.join((siteurl, linked_content.url))
                     origin = origin.replace('\\', '/')  # for Windows paths.
+                elif path.replace('%20', ' ') in self._context['filenames']:
+                    path_with_spaces = path.replace('%20', ' ')
+                    origin = '/'.join((siteurl,
+                             self._context['filenames'][path_with_spaces].url))
+                    origin = origin.replace('\\', '/')  # for Windows paths.
                 else:
                     logger.warning(
                         "Unable to find '%s', skipping url replacement.",