diff --git a/ct/pinchflat.sh b/ct/pinchflat.sh
index 06b219d19..7b696dd41 100644
--- a/ct/pinchflat.sh
+++ b/ct/pinchflat.sh
@@ -14,6 +14,7 @@ var_os="${var_os:-debian}"
 var_version="${var_version:-13}"
 var_unprivileged="${var_unprivileged:-1}"
 var_gpu="${var_gpu:-yes}"
+var_arm64="${var_arm64:-yes}"
 
 header_info "$APP"
 variables