diff --git a/src/filesystem/fsblobstore/DirBlob.cpp b/src/filesystem/fsblobstore/DirBlob.cpp
index 422a1e58..bb3e71f4 100644
--- a/src/filesystem/fsblobstore/DirBlob.cpp
+++ b/src/filesystem/fsblobstore/DirBlob.cpp
@@ -262,6 +262,7 @@ void DirBlob::setLstatSizeGetter(std::function<off_t(const blockstore::Key&)> ge
 cpputils::unique_ref<blobstore::Blob> DirBlob::releaseBaseBlob() {
   std::unique_lock<std::mutex> lock(_mutex);
   _writeEntriesToBlob();
+  return FsBlob::releaseBaseBlob();
 }
 
 }
diff --git a/src/filesystem/fsblobstore/FsBlob.h b/src/filesystem/fsblobstore/FsBlob.h
index fcd84842..985ba7c2 100644
--- a/src/filesystem/fsblobstore/FsBlob.h
+++ b/src/filesystem/fsblobstore/FsBlob.h
@@ -24,10 +24,11 @@ namespace cryfs {
 
             static void InitializeBlobWithMagicNumber(blobstore::Blob *blob, unsigned char magicNumber);
 
-        private:
             friend class FsBlobStore;
             virtual cpputils::unique_ref<blobstore::Blob> releaseBaseBlob();
 
+        private:
+
             cpputils::unique_ref<blobstore::Blob> _baseBlob;
 
             DISALLOW_COPY_AND_ASSIGN(FsBlob);