diff --git a/PythonServer/pos-python-server.py b/PythonServer/pos-python-server.py
index 38fe8c7ea5373e06e4a60525138fad86fa13f928..11a952c52d71cc62ebb8ce1a1ddd4930ae08bf88 100755
--- a/PythonServer/pos-python-server.py
+++ b/PythonServer/pos-python-server.py
@@ -37,6 +37,7 @@ def get_pv(pvlist: str):
     for pv in pvs:
         if (
             result[pv.pvname]["count"] is not None
+            and result[pv.pvname]["value"] is not None
             and result[pv.pvname]["count"] > 1
             and type(result[pv.pvname]["value"]) != list
         ):