diff --git a/artiq/examples/kc705_nist_clock/repository/dds_test.py b/artiq/examples/kc705_nist_clock/repository/dds_test.py
index 5f93b2bc1..dceb10438 100644
--- a/artiq/examples/kc705_nist_clock/repository/dds_test.py
+++ b/artiq/examples/kc705_nist_clock/repository/dds_test.py
@@ -6,9 +6,9 @@ class DDSTest(EnvExperiment):
 
     def build(self):
         self.setattr_device("core")
-        self.setattr_device("dds0")
-        self.setattr_device("dds1")
-        self.setattr_device("dds2")
+        self.dds0 = self.get_device("ad9914dds0")
+        self.dds1 = self.get_device("ad9914dds1")
+        self.dds2 = self.get_device("ad9914dds2")
         self.setattr_device("ttl0")
         self.setattr_device("ttl1")
         self.setattr_device("ttl2")