diff --git a/src/apps/debuganalyzer/gui/ListSelectionModel.cpp b/src/apps/debuganalyzer/gui/ListSelectionModel.cpp
index 59b1730ec9..d1ea40d16a 100644
--- a/src/apps/debuganalyzer/gui/ListSelectionModel.cpp
+++ b/src/apps/debuganalyzer/gui/ListSelectionModel.cpp
@@ -11,12 +11,16 @@
 
 
 ListSelectionModel::ListSelectionModel()
-	:
-	fItemCount(0)
 {
 }
 
 
+ListSelectionModel::ListSelectionModel(const ListSelectionModel& other)
+{
+	*this = other;
+}
+
+
 ListSelectionModel::~ListSelectionModel()
 {
 }
@@ -148,6 +152,24 @@ ListSelectionModel::RemoveListener(Listener* listener)
 }
 
 
+ListSelectionModel&
+ListSelectionModel::operator=(const ListSelectionModel& other)
+{
+	Clear();
+
+	fSelectedItems = other.fSelectedItems;
+
+	int32 selectedCount = CountSelectedItems();
+	if (selectedCount > 0) {
+		int32 firstSelected = fSelectedItems[0];
+		int32 lastSelected = fSelectedItems[selectedCount - 1];
+		_NotifyItemsDeselected(firstSelected, lastSelected - firstSelected + 1);
+	}
+
+	return *this;
+}
+
+
 int32
 ListSelectionModel::_FindItem(int32 itemIndex) const
 {
diff --git a/src/apps/debuganalyzer/gui/ListSelectionModel.h b/src/apps/debuganalyzer/gui/ListSelectionModel.h
index 6a44b20078..dfd4c10558 100644
--- a/src/apps/debuganalyzer/gui/ListSelectionModel.h
+++ b/src/apps/debuganalyzer/gui/ListSelectionModel.h
@@ -19,6 +19,8 @@ public:
 
 public:
 								ListSelectionModel();
+								ListSelectionModel(
+									const ListSelectionModel& other);
 								~ListSelectionModel();
 
 			int32				CountSelectedItems() const
@@ -40,6 +42,8 @@ public:
 			bool				AddListener(Listener* listener);
 			void				RemoveListener(Listener* listener);
 
+			ListSelectionModel&	operator=(const ListSelectionModel& other);
+
 private:
 			typedef BObjectList<Listener> ListenerList;
 
@@ -53,7 +57,6 @@ private:
 									int32 count);
 
 private:
-			int32				fItemCount;
 			Array<int32>		fSelectedItems;
 			ListenerList		fListeners;
 };