diff --git a/python/slsdet/ctb.py b/python/slsdet/ctb.py
index f4874da6b..cf2c390d1 100644
--- a/python/slsdet/ctb.py
+++ b/python/slsdet/ctb.py
@@ -2,7 +2,7 @@
 # Copyright (C) 2021 Contributors to the SLS Detector Package
 from .detector import Detector, freeze
 from .utils import element_if_equal
-from .dacs import DetectorDacs, NamedDacs
+from .dacs import NamedDacs
 from .powers import DetectorPowers
 from .proxy import SlowAdcProxy
 from . import _slsdet
diff --git a/python/tests/test_det_api.py b/python/tests/test_det_api.py
index 3b21a50db..06f038608 100644
--- a/python/tests/test_det_api.py
+++ b/python/tests/test_det_api.py
@@ -655,11 +655,30 @@ def test_dac(session_simulator, request):
         d.dacvalues
 
         dacname = d.daclist[0]
+        assert dacname
         dacIndex = d.getDacList()[0]
 
         # save previous value
         prev_val = d.getDAC(dacIndex, False)
 
+        if det_type == 'eiger':
+            from slsdet import Eiger
+            c = Eiger()
+        elif det_type == 'jungfrau':
+            from slsdet import Jungfrau
+            c = Jungfrau()
+        elif det_type == 'gotthard2':
+            from slsdet import Gotthard2
+            c = Gotthard2()
+        elif det_type == 'mythen3':
+            from slsdet import Mythen3
+            c = Mythen3()
+        elif det_type == 'moench':
+            from slsdet import Moench
+            c = Moench()    
+        else:
+            raise RuntimeError("Unknown detector type to test dac: " + det_type)
+
         invalid_assignments = [
             (c.dacs, "random", "1200"), # set random dac
             (c.dacs, dacname, "-1"),
@@ -670,10 +689,12 @@ def test_dac(session_simulator, request):
             with pytest.raises(Exception):
                 setattr(obj, attr, value)
 
-        d.dacs.dacname = 1200
-        assert d.getDAC(dacIndex.dacname, False)[0] == 1200
-        d.dacs.dacname = 0
-        assert d.dacs.dacname[0] == 0
+        setattr(c.dacs, dacname, 1200)
+        assert c.getDAC(dacIndex, False)[0] == 1200
+        setattr(c.dacs, dacname, 0)
+        assert getattr(c.dacs, dacname)[0] == 0
+
+
 
         # restore previous value
         for i in range(len(d)):