diff --git a/python/sdss_access/path/path.py b/python/sdss_access/path/path.py
index 0ff4285..83e67d1 100644
--- a/python/sdss_access/path/path.py
+++ b/python/sdss_access/path/path.py
@@ -706,7 +706,7 @@ def full(self, filetype, **kwargs):
         if not skip_tag_check:
             template = re.sub(r'tags/(v?[0-9._]+)', r'\1', template, count=1)
 
-        return self._check_compression(template)
+        return self._check_compression(os.path.normpath(template))
 
     @staticmethod
     def check_modules(template, permanent=None):