diff --git a/panels/dock/taskmanager/taskmanager.cpp b/panels/dock/taskmanager/taskmanager.cpp
index e56fd3ee1..6abeeceed 100644
--- a/panels/dock/taskmanager/taskmanager.cpp
+++ b/panels/dock/taskmanager/taskmanager.cpp
@@ -75,6 +75,7 @@ class BoolFilterModel : public QSortFilterProxyModel, public AbstractTaskManager
         , m_role(role)
     {
         setSourceModel(sourceModel);
+        setDynamicSortFilter(false);
     }
 
 protected: