diff --git a/panda/src/downloader/downloadDb.I b/panda/src/downloader/downloadDb.I
index 3401f6b3d1..b234d78ff1 100644
--- a/panda/src/downloader/downloadDb.I
+++ b/panda/src/downloader/downloadDb.I
@@ -127,10 +127,12 @@ set_client_multifile_size(string mfname, int size) {
 //       Access: Public
 //  Description: 
 ////////////////////////////////////////////////////////////////////
-INLINE void DownloadDb::
+INLINE int DownloadDb::
 set_client_multifile_delta_size(string mfname, int size) {
   (_client_db.get_multifile_record_named(mfname))->_size += size;
   write_db(_client_db._filename, _client_db);
+  // Return the new total
+  return (_client_db.get_multifile_record_named(mfname))->_size;
 }
 
 
@@ -157,6 +159,17 @@ set_server_multifile_size(string mfname, int size) {
 }
 
 
+////////////////////////////////////////////////////////////////////
+//     Function: DownloadDb::
+//       Access: Public
+//  Description: 
+////////////////////////////////////////////////////////////////////
+INLINE void DownloadDb::
+set_client_multifile_incomplete(string mfname) {
+  (_client_db.get_multifile_record_named(mfname))->_status = Status_incomplete;
+  write_db(_client_db._filename, _client_db);
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: DownloadDb::
 //       Access: Public
diff --git a/panda/src/downloader/downloadDb.h b/panda/src/downloader/downloadDb.h
index 5d3ff4a927..cd5b593278 100644
--- a/panda/src/downloader/downloadDb.h
+++ b/panda/src/downloader/downloadDb.h
@@ -80,13 +80,14 @@ public:
 
   INLINE int get_client_multifile_size(string mfname) const;
   INLINE void set_client_multifile_size(string mfname, int size);
-  INLINE void set_client_multifile_delta_size(string mfname, int size);
+  INLINE int set_client_multifile_delta_size(string mfname, int size);
   INLINE int get_server_multifile_size(string mfname) const;
   INLINE void set_server_multifile_size(string mfname, int size);
 
   INLINE int get_client_multifile_phase(string mfname) const;
   INLINE int get_server_multifile_phase(string mfname) const;
 
+  INLINE void set_client_multifile_incomplete(string mfname);
   INLINE void set_client_multifile_complete(string mfname);
   INLINE void set_client_multifile_decompressed(string mfname);
   INLINE void set_client_multifile_expanded(string mfname);