diff --git a/.openpublishing.publish.config.json b/.openpublishing.publish.config.json
index cff4ca1859..006a4bbd17 100644
--- a/.openpublishing.publish.config.json
+++ b/.openpublishing.publish.config.json
@@ -402,11 +402,9 @@
     }
   ],
   "branch_target_mapping": {
-    "live": [
-      "Publish",
-      "Pdf"
-    ]
-  },
+    "live": ["Publish","Pdf"],
+    "master": ["Publish", "Pdf"]
+  }, 
   "need_generate_pdf_url_template": true,
   "Targets": {
     "Pdf": {