diff --git a/ngsarchiver/archive.py b/ngsarchiver/archive.py
index cb7773a..e306f53 100644
--- a/ngsarchiver/archive.py
+++ b/ngsarchiver/archive.py
@@ -2089,6 +2089,17 @@ def make_archive_tgz(base_name,root_dir,base_dir=None,ext="tar.gz",
                                   compresslevel=compresslevel)
     with tarfile.open(archive_name,'w:gz',compresslevel=compresslevel) \
          as tgz:
+        # Add entry for top-level directory
+        if base_dir:
+            arcname = base_dir
+        else:
+            arcname = "."
+        try:
+            tgz.add(d.path, arcname=arcname, recursive=False)
+        except Exception as ex:
+            raise NgsArchiverException(f"{d.path}: unable to add top-level "
+                                       f"directory to archive: {ex}")
+        # Add contents
         for o in d.walk():
             if include_files and o not in include_files:
                 continue
@@ -2154,16 +2165,28 @@ def make_archive_multitgz(base_name,root_dir,base_dir=None,
     """
     d = Directory(root_dir)
     max_size = convert_size_to_bytes(size)
-    indx = 0
-    archive_name = None
-    archive_list = []
-    tgz = None
     if d.is_empty:
         # Special case: directory is empty
         logger.warning(f"{d.path}: creating archive for empty directory")
         archive_name = "%s.00.%s" % (base_name, ext)
         return [make_empty_archive(archive_name, root_dir, base_dir=base_dir,
                                    compresslevel=compresslevel)]
+    # Initialise tar archive and add entry for top-level directory
+    indx = 0
+    archive_name = "%s.%02d.%s" % (base_name, indx, ext)
+    tgz = tarfile.open(archive_name,'w:gz',
+                       compresslevel=compresslevel)
+    archive_list = [archive_name]
+    if base_dir:
+        arcname = base_dir
+    else:
+        arcname = "."
+    try:
+        tgz.add(d.path, arcname=arcname, recursive=False)
+    except Exception as ex:
+        raise NgsArchiverException(f"{d.path}: unable to add top-level "
+                                   f"directory to archive: {ex}")
+    # Add the directory contents
     for o in d.walk():
         if include_files and o not in include_files:
             continue
diff --git a/ngsarchiver/test/test_archive.py b/ngsarchiver/test/test_archive.py
index d3f7980..b4887fb 100644
--- a/ngsarchiver/test/test_archive.py
+++ b/ngsarchiver/test/test_archive.py
@@ -5168,7 +5168,7 @@ def test_make_archive_dir_multiple_subarchives_empty_toplevel_subdir(self):
         with tarfile.open(os.path.join(archive_dir, "subdir2.tar.gz"),
                           "r:gz") as tgz:
             members = tgz.getnames()
-            self.assertEqual(["example/subdir2/."], members)
+            self.assertEqual(["example/subdir2"], members)
         # Check file list
         with open(os.path.join(archive_dir, "ARCHIVE_FILELIST.txt"), "rt") as fp:
             for line in fp:
@@ -5615,7 +5615,7 @@ def test_make_archive_dir_multi_volume_multiple_subarchives_empty_toplevel_subdi
         with tarfile.open(os.path.join(archive_dir, "subdir2.00.tar.gz"),
                           "r:gz") as tgz:
             members = tgz.getnames()
-            self.assertEqual(["example/subdir2/."], members)
+            self.assertEqual(["example/subdir2"], members)
         # Check file list
         with open(os.path.join(archive_dir, "ARCHIVE_FILELIST.txt"), "rt") as fp:
             for line in fp:
@@ -5935,7 +5935,8 @@ def test_make_archive_tgz(self):
         # Check archive exists
         self.assertTrue(os.path.exists(test_archive_path))
         # Check archive contains only expected members
-        expected = set(("ex1.txt",
+        expected = set((".",
+                        "ex1.txt",
                         "subdir",
                         "subdir/ex2.txt",))
         members = set()
@@ -5965,7 +5966,8 @@ def test_make_archive_tgz_with_base_dir(self):
         # Check archive exists
         self.assertTrue(os.path.exists(test_archive_path))
         # Check archive contains only expected members
-        expected = set(("example/ex1.txt",
+        expected = set(("example",
+                        "example/ex1.txt",
                         "example/subdir",
                         "example/subdir/ex2.txt",))
         members = set()
@@ -6001,7 +6003,8 @@ def test_make_archive_tgz_with_include_files(self):
         # Check archive exists
         self.assertTrue(os.path.exists(test_archive_path))
         # Check archive contains only expected members
-        expected = set(("ex1.txt",
+        expected = set((".",
+                        "ex1.txt",
                         "subdir",
                         "subdir/ex2.txt",))
         members = set()
@@ -6039,7 +6042,8 @@ def test_make_archive_tgz_with_exclude_files(self):
         # Check archive exists
         self.assertTrue(os.path.exists(test_archive_path))
         # Check archive contains only expected members
-        expected = set(("ex1.txt",
+        expected = set((".",
+                        "ex1.txt",
                         "subdir",
                         "subdir/ex2.txt",))
         members = set()
@@ -6072,7 +6076,8 @@ def test_make_archive_tgz_non_default_compression_level(self):
         # Check archive exists
         self.assertTrue(os.path.exists(test_archive_path))
         # Check archive contains only expected members
-        expected = set(("ex1.txt",
+        expected = set((".",
+                        "ex1.txt",
                         "subdir",
                         "subdir/ex2.txt",))
         members = set()
@@ -6116,6 +6121,7 @@ def test_make_archive_multitgz(self):
                          test_archive_paths)
         # Check archives contains only expected members
         expected = set(example_dir.list())
+        expected.add(".")
         members = set()
         for test_archive_path in test_archive_paths:
             # Check archive exists
@@ -6155,6 +6161,7 @@ def test_make_archive_multitgz_with_base_dir(self):
                          test_archive_paths)
         # Check archives contains only expected members
         expected = set(example_dir.list(prefix="example"))
+        expected.add("example")
         members = set()
         for test_archive_path in test_archive_paths:
             # Check archive exists
@@ -6201,6 +6208,7 @@ def test_make_archive_multitgz_with_include_files(self):
                          test_archive_paths)
         # Check archives contains only expected members
         expected = set(overlay_dir.list())
+        expected.add(".")
         members = set()
         for test_archive_path in test_archive_paths:
             # Check archive exists
@@ -6284,6 +6292,7 @@ def test_make_archive_multitgz_non_default_compression_level(self):
                          test_archive_paths)
         # Check archives contains only expected members
         expected = set(example_dir.list())
+        expected.add(".")
         members = set()
         for test_archive_path in test_archive_paths:
             # Check archive exists