diff --git a/src/gui/activitydata.cpp b/src/gui/activitydata.cpp
index b0236658e..866c97956 100644
--- a/src/gui/activitydata.cpp
+++ b/src/gui/activitydata.cpp
@@ -21,7 +21,7 @@ namespace OCC {
 
 bool operator<(const Activity &rhs, const Activity &lhs)
 {
-    return rhs._dateTime.toMSecsSinceEpoch() > lhs._dateTime.toMSecsSinceEpoch();
+    return rhs._dateTime > lhs._dateTime;
 }
 
 bool operator==(const Activity &rhs, const Activity &lhs)