diff --git a/files/squid/helpers/rules.d/cplusplus.rules b/files/squid/helpers/rules.d/cplusplus.rules
index b9aad326bd2ee46861da133f8683435e17a99457..0c3bfd3efd6eac7d8254cda5ec2a01edc69be0a1 100644
--- a/files/squid/helpers/rules.d/cplusplus.rules
+++ b/files/squid/helpers/rules.d/cplusplus.rules
@@ -28,4 +28,4 @@
 
 // cppreference google search
 ^https?://google\.com true
-^https?://google\.com/search\?q=site%3Acppreference.com&q=.* true
+^https?://google\.com/search\?q=site%3Acppreference.com\+.* true