diff --git a/files/squid/helpers/rules.d/python.rules b/files/squid/helpers/rules.d/python.rules
index 179b9d783c5194c107a99fd7cf00f81acebe23cd..fea8f56b305de97eca304e02bd287b66ce03b73e 100644
--- a/files/squid/helpers/rules.d/python.rules
+++ b/files/squid/helpers/rules.d/python.rules
@@ -6,4 +6,4 @@
 
 // extra for TDDE24 2020-01-17
 ^https?://docs\.python\.org/3(\.[0-9]{1,2})?/reference/.*          true
-^https?://docs\.python\.org/3(\.[0-9]{1,2})?/genindex(-[A-Za-z0-9_])?\.html        true
+^https?://docs\.python\.org/3(\.[0-9]{1,2})?/genindex(-[A-Za-z0-9_]+)?\.html        true