diff --git a/Composite/Plugins/Routing/Pages/DefaultPageUrlProvider.cs b/Composite/Plugins/Routing/Pages/DefaultPageUrlProvider.cs
index d2916b9882..1266d67202 100644
--- a/Composite/Plugins/Routing/Pages/DefaultPageUrlProvider.cs
+++ b/Composite/Plugins/Routing/Pages/DefaultPageUrlProvider.cs
@@ -145,6 +145,10 @@ private PageUrlData ParseInternalUrl(string relativeUrl, out UrlKind urlKind)
             }
 
             string pathInfo = decodedPath.Substring(closingBracketOffset + 1);
+            if (pathInfo.Length > 0 && pathInfo[0] != '/')
+            {
+                return null;
+            }
 
             bool isUnpublished = pathInfo.Contains(UrlMarker_Unpublished);
             if (isUnpublished)