diff --git a/src/Ui/UiRequest.py b/src/Ui/UiRequest.py
index 48c56c61..efb29841 100644
--- a/src/Ui/UiRequest.py
+++ b/src/Ui/UiRequest.py
@@ -424,7 +424,7 @@ class UiRequest(object):
         if ".." in path or "./" in path:
             raise SecurityError("Invalid path")
 
-        match = re.match("/media/(?P<address>[A-Za-z0-9\._-]+)(?P<inner_path>/.*|$)", path)
+        match = re.match("/media/(?P<address>[A-Za-z0-9]+[A-Za-z0-9\._-]+)(?P<inner_path>/.*|$)", path)
         if match:
             path_parts = match.groupdict()
             path_parts["request_address"] = path_parts["address"]  # Original request address (for Merger sites)