diff --git a/src/include/bag.hpp b/src/include/bag.hpp
index a703f3c..006be4c 100644
--- a/src/include/bag.hpp
+++ b/src/include/bag.hpp
@@ -20,18 +20,18 @@ class Bag {
     int bagit_version_major;
     int bagit_version_minor;
     string tag_file_character_encoding;
-    class Payload *payload_p;;
+    class Payload *payload_p;
     class Payloadmanifest *payloadmanifest_p;
     // next elements are optional
     class Tagmanifest *tagmanifest_p;
     class Bagmetadata *bagmetadata_p;
-    class Fetchfile *fetchfile_p;
-    class Othertags *othertags_p;
+    class Fetchfile *fetchfile_p{};
+    class Othertags *othertags_p{};
   public:
     Bag();
     Bag(string dfname);
     list<string> get_all_bag_files(); 
-    bool store( string dfname);
+    bool store( string basedir);
     bool validate();
     void get_logstream( stringstream & log);
     void reset_logstream();