diff --git a/.dd4hep-ci.d/init_x86_64.sh b/.dd4hep-ci.d/init_x86_64.sh
index 1046a6804360eaacc7c740f7093736690f5cd382..280097a5417e3c6ac60304423cf42bc9ae1f1ff4 100644
--- a/.dd4hep-ci.d/init_x86_64.sh
+++ b/.dd4hep-ci.d/init_x86_64.sh
@@ -4,7 +4,8 @@
 if [ "$(uname)" == "Darwin" ]; then
     if [ $(sw_vers -productVersion | awk -F '.' '{print $1 "." $2}') == "10.12" ]; then
         OS=mac1012
-        COMPILER_TYPE=clang80
+        COMPILER_TYPE=clang
+        COMPILER_VERSION=clang80
     else
         echo "Bootstrap only works on macOS Sierra (10.12)"
     fi