diff --git a/packages/modules/devices/avm/avm/counter.py b/packages/modules/devices/avm/avm/counter.py
index 0f6a08a273..5ca9aa4d50 100644
--- a/packages/modules/devices/avm/avm/counter.py
+++ b/packages/modules/devices/avm/avm/counter.py
@@ -34,7 +34,7 @@ def update(self, deviceListElementTree: Element):
                     power = float(powermeterBlock.find("power").text)/1000
                     # AVM returns mV, convert to V here
                     voltageInfo = powermeterBlock.find("voltage")
-                    if voltageInfo is not None:
+                    if voltageInfo is not None and voltageInfo.text is not None:
                         voltages = [float(voltageInfo.text)/1000, 0, 0]
                     # AVM returns Wh
                     imported = float(powermeterBlock.find("energy").text)
@@ -42,9 +42,10 @@ def update(self, deviceListElementTree: Element):
         counter_state = CounterState(
             imported=imported,
             exported=0,
-            power=power,
-            voltages=voltages
+            power=power
         )
+        if "voltages" in locals():
+            counter_state.voltages = voltages
         self.store.set(counter_state)