diff --git a/secop/client/baseclient.py b/secop/client/baseclient.py
index 7d612e6..a6485d6 100644
--- a/secop/client/baseclient.py
+++ b/secop/client/baseclient.py
@@ -54,7 +54,7 @@ class TCPConnection:
         if getLogger:
             self.log = getLogger('TCPConnection')
         else:
-            mlzlog.getLogger('TCPConnection')
+            self.log = mlzlog.getLogger('TCPConnection')
         self._host = host
         self._port = int(port)
         self._thread = None
diff --git a/secop/datatypes.py b/secop/datatypes.py
index 40b31b9..248da37 100644
--- a/secop/datatypes.py
+++ b/secop/datatypes.py
@@ -614,7 +614,10 @@ class ArrayOf(DataType):
 
     def getProperties(self):
         """get also properties of members"""
-        return {**super().getProperties(), **self.members.getProperties()}
+        res = {}
+        res.update(super().getProperties())
+        res.update(self.members.getProperties())
+        return res
 
     def setProperty(self, key, value):
         """set also properties of members"""