diff --git a/miraheze/mediawiki/mwimport.py b/miraheze/mediawiki/mwimport.py
index 9ed52b0..839f9f1 100644
--- a/miraheze/mediawiki/mwimport.py
+++ b/miraheze/mediawiki/mwimport.py
@@ -41,6 +41,9 @@ def parse_args(input_args: list | None = None, check_paths: bool = True) -> argp
     parser.add_argument('wiki', help='Database name of the wiki to import to')
 
     args = parser.parse_args(input_args)
+    if not args.wiki.endswith('wiki') and not args.wiki.endswith('wikibeta'):
+        raise ValueError('<wiki> must be a proper database name')
+
     if not args.xml and not args.images:
         raise ValueError('--xml and/or --images must be passed')
     if args.images and not args.images_comment:
diff --git a/tests/test_mwimport.py b/tests/test_mwimport.py
index 6036938..f75913b 100644
--- a/tests/test_mwimport.py
+++ b/tests/test_mwimport.py
@@ -52,6 +52,22 @@ def test_parse_args_username_prefix():
     assert args.username_prefix == 'w'
 
 
+def test_parse_args_beta_database_name():
+    args = mwimport.parse_args([
+        '--xml=dump.xml',
+        'examplewikibeta',
+    ], False)
+    assert args.wiki == 'examplewikibeta'
+
+
+def test_parse_args_invalid_database_name():
+    with pytest.raises(ValueError, match='<wiki> must be a proper database name'):
+        mwimport.parse_args([
+            '--xml=dump.xml',
+            'example',
+        ])
+
+
 def test_parse_args_need_xml_or_images():
     with pytest.raises(ValueError, match='--xml and/or --images must be passed'):
         mwimport.parse_args([