diff --git a/files/squid/helpers/rules.d/cplusplus.rules b/files/squid/helpers/rules.d/cplusplus.rules
index aea3cc32ff31e9400eca1eb9f234a82f19bcd4d3..b9aad326bd2ee46861da133f8683435e17a99457 100644
--- a/files/squid/helpers/rules.d/cplusplus.rules
+++ b/files/squid/helpers/rules.d/cplusplus.rules
@@ -25,3 +25,7 @@
 ^https?://duckduckgo\.com/.*\.css                       true
 ^https?://duckduckgo\.com/.*\.js                        true
 ^https?://duckduckgo\.com/.*\.js\?.=.*                  true
+
+// cppreference google search
+^https?://google\.com true
+^https?://google\.com/search\?q=site%3Acppreference.com&q=.* true