diff --git a/files/squid/helpers/rules.d/cplusplus.rules b/files/squid/helpers/rules.d/cplusplus.rules
index ab3aa9c9f8bff43f9e59c7323e104e3a7db67c3e..5dec0d9062e2534ffa118a494a547f00c44c6761 100644
--- a/files/squid/helpers/rules.d/cplusplus.rules
+++ b/files/squid/helpers/rules.d/cplusplus.rules
@@ -26,3 +26,7 @@
 ^https?://duckduckgo\.com/.*\.js                        true
 ^https?://duckduckgo\.com/.*\.js\?.=.*                  true
 ^https?://duckduckgo\.com/50x-tq.html\?tq=.*            true
+
+// cppreference google search
+^https?://www.google\.com/ true
+^https?://www.google\.com/search\?q=site%3Acppreference.com\+.* true