diff --git a/conf.py b/conf.py
index 43aac1ed..cc170df7 100644
--- a/conf.py
+++ b/conf.py
@@ -29,7 +29,7 @@
     r'https://groups\.cern\.ch/group/lhcb-distributed-analysis/default\.aspx',  # 403 error, requires a login
     r'https://lhcb-doxygen\.web\.cern\.ch/.*',  # 403 error, requires a login
     r'https://twiki.cern.ch/.*',  # most pages now require a login
-    r'https://opensource.org/.*',  # 403 error - rejects the bot
+    r'https://opensource.org.*',  # 403 error - rejects the bot
     r'https://xrootd.slac.stanford.edu/doc/.*',  # redirect error - rejects the bot with SSL failure
 ]