1 files changed, 1 insertions, 1 deletions
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 1f66c860..d57b6952 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -359,7 +359,7 @@ private:
   // when painting the count
   QIcon m_originalNotificationIcon;
 
-  size_t m_NumberOfProblems;
+  std::atomic<std::size_t> m_NumberOfProblems;
 
   Executable* getSelectedExecutable();