diff --git a/workflow/tests/test_pool_and_psuedoreplicate.py b/workflow/tests/test_pool_and_psuedoreplicate.py
index f2fe971b90d5150100d7a5f662da7c1c840ca16f..122baa32e47de6c6bb59e1a5abbe30692c5126ff 100644
--- a/workflow/tests/test_pool_and_psuedoreplicate.py
+++ b/workflow/tests/test_pool_and_psuedoreplicate.py
@@ -63,7 +63,7 @@ def test_check_controls_single(design_experiment_3):
 @pytest.mark.unit
 def test_single_rep(design_experiment_2):
     cwd = os.getcwd()
-    shutil.copy(test_output_path + '/../../test_data/B_1.bedse.gz', cwd)
+    shutil.copy(test_output_path + '../../../test_data/B_1.bedse.gz', cwd)
     single_rep = pool_and_psuedoreplicate.generate_design('false', 1.2, design_experiment_2, cwd, 1, 1)