diff --git a/blobmsg_json.c b/blobmsg_json.c
index f166358..7a4ab7b 100644
--- a/blobmsg_json.c
+++ b/blobmsg_json.c
@@ -71,12 +71,10 @@ bool blobmsg_add_json_element(struct blob_buf *b, const char *name, json_object
 	return ret;
 }
 
-bool blobmsg_add_json_from_string(struct blob_buf *b, const char *str)
+static bool __blobmsg_add_json(struct blob_buf *b, json_object *obj)
 {
-	json_object *obj;
 	bool ret = false;
 
-	obj = json_tokener_parse(str);
 	if (is_error(obj))
 		return false;
 
@@ -90,6 +88,16 @@ out:
 	return ret;
 }
 
+bool blobmsg_add_json_from_file(struct blob_buf *b, const char *file)
+{
+	return __blobmsg_add_json(b, json_object_from_file(file));
+}
+
+bool blobmsg_add_json_from_string(struct blob_buf *b, const char *str)
+{
+	return __blobmsg_add_json(b, json_tokener_parse(str));
+}
+
 
 struct strbuf {
 	int len;
diff --git a/blobmsg_json.h b/blobmsg_json.h
index 45ebd6d..e8036eb 100644
--- a/blobmsg_json.h
+++ b/blobmsg_json.h
@@ -28,6 +28,7 @@
 bool blobmsg_add_object(struct blob_buf *b, json_object *obj);
 bool blobmsg_add_json_element(struct blob_buf *b, const char *name, json_object *obj);
 bool blobmsg_add_json_from_string(struct blob_buf *b, const char *str);
+bool blobmsg_add_json_from_file(struct blob_buf *b, const char *file);
 
 typedef const char *(*blobmsg_json_format_t)(void *priv, struct blob_attr *attr);