diff --git a/plugins/builder-pack/builder-build b/plugins/builder-pack/builder-build
index f26c8b930..93dcd6b70 100755
--- a/plugins/builder-pack/builder-build
+++ b/plugins/builder-pack/builder-build
@@ -18,7 +18,7 @@ trigger-builder-pack-builder-build() {
     DOKKU_CNB_BUILDER="$stack"
   fi
 
-  dokku_log_info1 "Building $APP from cnb stack $DOKKU_CNB_STACK (experimental)..."
+  dokku_log_info1 "Building $APP from cnb stack $DOKKU_CNB_BUILDER (experimental)..."
 
   if ! command -v "pack" &>/dev/null; then
     dokku_log_fail "Missing pack, install it"