diff --git a/src/knx/bau_systemB_device.cpp b/src/knx/bau_systemB_device.cpp
index 67f6394..2a27590 100644
--- a/src/knx/bau_systemB_device.cpp
+++ b/src/knx/bau_systemB_device.cpp
@@ -62,6 +62,9 @@ void BauSystemBDevice::loop()
     {
         writeMemory();
         _unloadStarted = 0;
+        _addrTable.unsetWasundloaded();
+        _assocTable.unsetWasundloaded();
+        _groupObjTable.unsetWasundloaded();
     }
 }
 
diff --git a/src/knx/table_object.cpp b/src/knx/table_object.cpp
index 12b9222..826077f 100644
--- a/src/knx/table_object.cpp
+++ b/src/knx/table_object.cpp
@@ -421,4 +421,9 @@ void TableObject::initializeDynTableProperties(size_t propertiesSize, Property**
 bool TableObject::getWasUnloaded()
 {
     return _wasUnloaded;
+}
+
+void TableObject::unsetWasundloaded()
+{
+    _wasUnloaded = false;
 }
\ No newline at end of file
diff --git a/src/knx/table_object.h b/src/knx/table_object.h
index da8f4f3..463db5e 100644
--- a/src/knx/table_object.h
+++ b/src/knx/table_object.h
@@ -36,6 +36,7 @@ class TableObject: public InterfaceObject
         static BeforeTablesUnloadCallback beforeTablesUnloadCallback();
 
         bool getWasUnloaded();
+        void unsetWasundloaded();
 
     protected:
         /**