diff --git a/plugins/quickopen/projectitemquickopen.h b/plugins/quickopen/projectitemquickopen.h
--- a/plugins/quickopen/projectitemquickopen.h
+++ b/plugins/quickopen/projectitemquickopen.h
@@ -58,7 +58,7 @@
     std::function<Type()> m_func;
 
     mutable Type m_result;
-    mutable bool m_isDirty = false;
+    mutable bool m_isDirty = true;
 };
 
 struct CodeModelViewItem
diff --git a/plugins/quickopen/projectitemquickopen.cpp b/plugins/quickopen/projectitemquickopen.cpp
--- a/plugins/quickopen/projectitemquickopen.cpp
+++ b/plugins/quickopen/projectitemquickopen.cpp
@@ -133,7 +133,7 @@
 ProjectItemDataProvider::ProjectItemDataProvider(KDevelop::IQuickOpen* quickopen)
     : m_itemTypes(NoItems)
     , m_quickopen(quickopen)
-    , m_addedItemsCountCache([this]() { return addedItems(m_addedItems); })
+    , m_addedItemsCountCache([this]() { return addedItems(m_addedItems); }, 0)
 {
 }