diff --git a/backend/internal/web/handlers_tasks.go b/backend/internal/web/handlers_tasks.go
index 8786bba..c4b1efd 100644
--- a/backend/internal/web/handlers_tasks.go
+++ b/backend/internal/web/handlers_tasks.go
@@ -147,6 +147,10 @@ func TaskCreateHandler(deps TasksDeps) http.HandlerFunc {
 
 		if errs.Title != "" {
 			w.Header().Set("Content-Type", "text/html; charset=utf-8")
+			if r.Header.Get("HX-Request") == "true" {
+				w.Header().Set("HX-Retarget", "#add-task-slot-"+statusStr)
+				w.Header().Set("HX-Reswap", "innerHTML")
+			}
 			w.WriteHeader(http.StatusUnprocessableEntity)
 			if r.Header.Get("HX-Request") == "true" {
 				_ = templates.TaskCreateFormFragment(