diff --git a/tests/core/models/test_cif.py b/tests/core/models/test_cif.py
index 79912d4..d210378 100644
--- a/tests/core/models/test_cif.py
+++ b/tests/core/models/test_cif.py
@@ -667,7 +667,7 @@ def test_init_without_mendeeleve_number():
         ("tests/data/cif/sources/MS/U13Rh4.cif", "MS", {"U", "Fe"}, 2988),
         ("tests/data/cif/sources/MS/U13Rh4.cif", "MS", {"U", "Fe"}, 2988),
         ("tests/data/cif/sources/COD/1010581.cif", "COD", {"Cu", "Se"}, 1383),
-        ("tests/data/cif/sources/CCSD/2294753.cif", "CCDC", {'Er', 'In', 'Co'}, 3844),
+        ("tests/data/cif/sources/CCDC/2294753.cif", "CCDC", {'Er', 'In', 'Co'}, 3844),
         (
             "tests/data/cif/sources/MP/LiFeP2O7.cif",
             "MP",
diff --git a/tests/core/models/test_cif_ensemble.py b/tests/core/models/test_cif_ensemble.py
index 150f28f..7d9d5e9 100644
--- a/tests/core/models/test_cif_ensemble.py
+++ b/tests/core/models/test_cif_ensemble.py
@@ -521,7 +521,7 @@ def test_init_without_preprocessing(
         ("tests/data/cif/sources/MP", 2, {108: 1, 594: 1}),
         ("tests/data/cif/sources/PCD", 1, {364: 1}),
         ("tests/data/cif/sources/MS", 1, {2988: 1}),
-        ("tests/data/cif/sources/CCSD", 1, {3844: 1}),
+        ("tests/data/cif/sources/CCDC", 1, {3844: 1}),
     ],
 )
 @pytest.mark.fast
diff --git a/tests/data/cif/sources/CCSD/2294753.cif b/tests/data/cif/sources/CCDC/2294753.cif
similarity index 100%
rename from tests/data/cif/sources/CCSD/2294753.cif
rename to tests/data/cif/sources/CCDC/2294753.cif