diff --git a/src/contexts/TasksContext.tsx b/src/contexts/TasksContext.tsx
index 996d634..a8cbcc9 100644
--- a/src/contexts/TasksContext.tsx
+++ b/src/contexts/TasksContext.tsx
@@ -75,7 +75,7 @@ export function TasksProvider({ children, initialTasks, initialTags, initialStat
   const setKanbanFilters = async (newFilters: KanbanFilters) => {
     // Séparer les vrais filtres des préférences de vue
     const kanbanFilterUpdates = {
-      search: newFilters.search,
+      search: newFilters.search || '',
       tags: newFilters.tags,
       priorities: newFilters.priorities,
       showCompleted: newFilters.showCompleted,