diff --git a/_config b/_config
index 399a6d6..85a5b38 100644
--- a/_config
+++ b/_config
@@ -3931,6 +3931,7 @@ Prefer: -go1.18-openssl
 
 # Split between customer facing and internal compiler see gcc SR#322365
 Prefer: cpp-build
+Prefer: gcc-build-c++ gcc-build
 Substitute: gcc gcc-build
 Substitute: gcc-c++ gcc-build-c++
 Substitute: gcc-32bit gcc-build-32bit