diff --git a/src/calng/CalibrationManager.py b/src/calng/CalibrationManager.py
index f1d1765fe6dee0950a725f598a6bf6c8bf3e1115..9bedaaeb182328ed63edcd63e4b0ce61af2e4402 100644
--- a/src/calng/CalibrationManager.py
+++ b/src/calng/CalibrationManager.py
@@ -26,8 +26,9 @@ from karabo.middlelayer import (
     AccessMode, AccessLevel, Assignment, DaqPolicy, State, Unit,
     UInt16, UInt32, Bool, Float, Double, String, VectorString, VectorHash,
     background, call, callNoWait, setNoWait, sleep, instantiate, slot, coslot,
-    get_property, getTopology, getConfiguration, getConfigurationFromPast,
-    getConfigurationFromName, getInstanceInfo, waitUntil)
+    get_property, getDevice, getTopology, getConfiguration,
+    getConfigurationFromPast, getConfigurationFromName, getInstanceInfo,
+    waitUntil)
 
 from . import scenes
 from ._version import version as deviceVersion