diff --git a/docs/about/release-notes.md b/docs/about/release-notes.md
index 3814af86..84f47c9e 100644
--- a/docs/about/release-notes.md
+++ b/docs/about/release-notes.md
@@ -14,9 +14,10 @@ You can determine your currently installed version using `mkdocs --version`:
     mkdocs, version 0.15.2
 
 
-## Version 0.15.3 (2016-02-??)
+## Version 0.15.3 (2016-02-18)
 
 * Improve the error message the given theme can't be found.
+* Fix an issue with relative symlinks (#639)
 
 ## Version 0.15.2 (2016-02-08)
 
diff --git a/mkdocs/__init__.py b/mkdocs/__init__.py
index fe6daf85..170bf768 100644
--- a/mkdocs/__init__.py
+++ b/mkdocs/__init__.py
@@ -9,4 +9,4 @@ if sys.version_info < (2, 7):
     sys.stderr.write(("WARNING: Support for Python 2.6 will be dropped in the "
                       "1.0.0 release of MkDocs\n\n"))
 
-__version__ = '0.15.2'
+__version__ = '0.15.3'
diff --git a/mkdocs/config/config_options.py b/mkdocs/config/config_options.py
index c80968df..8eb09b98 100644
--- a/mkdocs/config/config_options.py
+++ b/mkdocs/config/config_options.py
@@ -352,7 +352,8 @@ class Extras(OptionallyRequired):
                 # Some editors (namely Emacs) will create temporary symlinks
                 # for internal magic. We can just ignore these files.
                 if os.path.islink(fullpath):
-                    if not os.path.exists(os.readlink(fullpath)):
+                    fp = os.path.join(dirpath, os.readlink(fullpath))
+                    if not os.path.exists(fp):
                         continue
 
                 relpath = os.path.normpath(os.path.relpath(fullpath, docs_dir))