diff --git a/src/calng/CalibrationManager.py b/src/calng/CalibrationManager.py
index 359b89de42e3a4d95007ca18df3689cb095080a8..7c016419971b20f573c3eb158cf7ed05c72b2020 100644
--- a/src/calng/CalibrationManager.py
+++ b/src/calng/CalibrationManager.py
@@ -1445,7 +1445,7 @@ class CalibrationManager(DeviceClientBase, Device):
 
         if assemblers:
             for remote_key, local_key, _ in self._managed_assembler_keys:
-                await self._set_on_assembler(
+                await self._set_on_assemblers(
                     remote_key, get_property(self, f'managedKeys.{local_key}'))
 
         if corrections: