diff --git a/kernel_headers.py b/kernel_headers.py
index 70ebe1a14b60..4c2096e6b912 100644
--- a/kernel_headers.py
+++ b/kernel_headers.py
@@ -778,7 +778,7 @@ def gen_headers(
     print('error: gen_headers blueprints file is out of date, suggested fix:')
     print('#######Please add or remove the above mentioned headers from %s' % (old_gen_headers_bp))
     print('then re-run the build')
-    #return 1
+    return 1
 
   error_count = 0