diff --git a/factory/build_confs.py b/factory/build_confs.py
index 7b3844d..20fd148 100644
--- a/factory/build_confs.py
+++ b/factory/build_confs.py
@@ -74,7 +74,9 @@ for conf_name in confs_names:
     file_template = open('template/'+conf_name+'.txt', 'r', encoding='utf-8')
     template = file_template.read()
 
-    template = str_head + template + str_foot
+    template = template + str_foot
+    if conf_name != 'sr_ad_only':
+        template = str_head + template
 
     file_output = open('../'+conf_name+'.conf', 'w', encoding='utf-8')