diff --git a/src/qt/clientmodel.h b/src/qt/clientmodel.h
index 0e6b34fbf..4c92e2144 100644
--- a/src/qt/clientmodel.h
+++ b/src/qt/clientmodel.h
@@ -8,6 +8,8 @@
 #include <QObject>
 #include <QDateTime>
 
+#include <atomic>
+
 class AddressTableModel;
 class BanTableModel;
 class OptionsModel;