diff --git a/src/knx/bau_systemB.cpp b/src/knx/bau_systemB.cpp
index 4afadfb..83a899b 100644
--- a/src/knx/bau_systemB.cpp
+++ b/src/knx/bau_systemB.cpp
@@ -353,8 +353,8 @@ void BauSystemB::functionPropertyStateIndication(Priority priority, HopCountType
                     handled = true;
         }
     } else {
-        if(_functionProperty != 0)
-            if(_functionProperty(objectIndex, propertyId, length, data, resultData, resultLength))
+        if(_functionPropertyState != 0)
+            if(_functionPropertyState(objectIndex, propertyId, length, data, resultData, resultLength))
                 handled = true;
     }