diff --git a/tests/test_gifti.py b/tests/test_gifti.py
index e39e05b6e54532ed36e4d93086335c0726468b31..ba758a5057952452eaf27d2651869a657c621805 100644
--- a/tests/test_gifti.py
+++ b/tests/test_gifti.py
@@ -290,7 +290,7 @@ def test_GiftiMesh_multiple_vertices():
         surf  = gifti.GiftiMesh(fname)
 
         expvsets = [fname,
-                    '{} [{}]'.format(fname, 1)]
+                    '{}_1'.format(fname)]
 
         assert np.all(surf.vertices == TEST_VERTS)
         assert np.all(surf.indices  == TEST_IDXS)