diff --git a/tests/test_calcat_interface2.py b/tests/test_calcat_interface2.py
index 36b42b9d873e6f53d31f7395e5916d66605e63c2..1b7d0ab5df37ce0783def55ac8ce2f85e46a6a5a 100644
--- a/tests/test_calcat_interface2.py
+++ b/tests/test_calcat_interface2.py
@@ -83,7 +83,7 @@ def test_LPD_constant_missing():
     # Constants are missing for 1 module (LPD05), but it was still included in
     # the PDUs for the detector, so it should still appear in the lists.
     modnos = range(16)
-    assert lpd_cd.aggregator_names == [f"DSSC{m:02}" for m in modnos]
+    assert lpd_cd.aggregator_names == [f"LPD{m:02}" for m in modnos]
     assert lpd_cd.module_nums == modnos
     assert lpd_cd.qm_names == [f"Q{(m // 4) + 1}M{(m % 4) + 1}" for m in modnos]