diff --git a/roles/build/tasks/main.yml b/roles/build/tasks/main.yml
index b585b59530f730a3d147d59b9ac75351ed7e6985..f85493ee20ba0bccda6fc1686df522c64966490a 100644
--- a/roles/build/tasks/main.yml
+++ b/roles/build/tasks/main.yml
@@ -1,5 +1,9 @@
 ---
 
+- assert:
+    that:
+    - "'CHANGE_ME' not in dslproxy"
+
 - include: system.yml
 - include: centos.yml
 - include: nginx.yml