diff --git a/tests/element/testannotations.py b/tests/element/testannotations.py
index a5242f94d3..530d39bb76 100644
--- a/tests/element/testannotations.py
+++ b/tests/element/testannotations.py
@@ -29,13 +29,13 @@ def test_text_string_position(self):
 
     def test_hline_dimension_values(self):
         hline = HLine(0)
-        self.assertEqual(hline.range(0), (np.NaN, np.NaN))
+        self.assertTrue(all(not np.isfinite(v) for v in hline.range(0)))
         self.assertEqual(hline.range(1), (0, 0))
 
     def test_vline_dimension_values(self):
         hline = VLine(0)
         self.assertEqual(hline.range(0), (0, 0))
-        self.assertEqual(hline.range(1), (np.NaN, np.NaN))
+        self.assertTrue(all(not np.isfinite(v) for v in hline.range(1)))
 
     def test_arrow_redim_range_aux(self):
         annotations = Arrow(0, 0)