diff --git a/fanficdownloader/adapters/adapter_fanfictionnet.py b/fanficdownloader/adapters/adapter_fanfictionnet.py
index ab687840..983a2483 100644
--- a/fanficdownloader/adapters/adapter_fanfictionnet.py
+++ b/fanficdownloader/adapters/adapter_fanfictionnet.py
@@ -51,7 +51,7 @@ class FanFictionNetSiteAdapter(BaseSiteAdapter):
         return "http://www.fanfiction.net/s/1234/1/ http://www.fanfiction.net/s/1234/12/ http://www.fanfiction.net/s/1234/1/Story_Title"
 
     def getSiteURLPattern(self):
-        return r"http://(www|m)?\.fanfiction\.net/s/\d+(/\d+)?(/|/[a-zA-Z0-9_-]+)?$"
+        return r"http://(www|m)?\.fanfiction\.net/s/\d+(/\d+)?(/|/[a-zA-Z0-9_-]+)?/?$"
 
     def extractChapterUrlsAndMetadata(self):
 
diff --git a/fanficdownloader/adapters/adapter_fictionpresscom.py b/fanficdownloader/adapters/adapter_fictionpresscom.py
index 2750c3ee..b0c7a969 100644
--- a/fanficdownloader/adapters/adapter_fictionpresscom.py
+++ b/fanficdownloader/adapters/adapter_fictionpresscom.py
@@ -47,7 +47,7 @@ class FictionPressComSiteAdapter(BaseSiteAdapter):
         return "http://www.fictionpress.com/s/1234/1/ http://www.fictionpress.com/s/1234/12/ http://www.fictionpress.com/s/1234/1/Story_Title"
 
     def getSiteURLPattern(self):
-        return r"http://www\.fictionpress\.com/s/\d+(/\d+)?(/|/[a-zA-Z0-9_-]+)?$"
+        return r"http://www\.fictionpress\.com/s/\d+(/\d+)?(/|/[a-zA-Z0-9_-]+)?/?$"
 
     def extractChapterUrlsAndMetadata(self):