diff --git a/jass/test/test_plots.py b/jass/test/test_plots.py
index 86a2d59557b19d208006555bde07475193c02e27..64bb57e3903c8fa42ec18fb57f42c6ebee3390e9 100644
--- a/jass/test/test_plots.py
+++ b/jass/test/test_plots.py
@@ -18,7 +18,7 @@ class TestPlots(JassTestCase):
     def setUp(self):
         # Create a temporary directory
         self.test_dir = tempfile.mkdtemp()
-        self.worktable_hdf_path = self.get_file_path_fn("worktable.hdf5")
+        self.worktable_hdf_path = self.get_file_path_fn("worktable-withnans.hdf5")
         self.global_plot_path = os.path.join(self.test_dir, "global_manhattan.png")
 
     def tearDown(self):