diff --git a/frontend/src/dashboard.tsx b/frontend/src/dashboard.tsx
index 5630b75..5c7343d 100644
--- a/frontend/src/dashboard.tsx
+++ b/frontend/src/dashboard.tsx
@@ -112,23 +112,23 @@ export function renderDashboard(): string {
                 {/* Traffic-light deadline summary (4+1: Überfällig conditional + 4 universal — t-paliad-110) */}
                 <CollapsibleSection id="summary" widgetKey="deadline-summary" headingI18n="dashboard.summary.heading" headingDe="Fristen auf einen Blick">
                   <div className="dashboard-summary-grid">
-                    <a href="/deadlines?status=overdue" className="dashboard-card dashboard-card-red" id="dashboard-card-overdue">
+                    <a href="/events?type=deadline&status=overdue" className="dashboard-card dashboard-card-red" id="dashboard-card-overdue">
                       <div className="dashboard-card-count" id="dashboard-count-overdue">0</div>
                       <div className="dashboard-card-label" data-i18n="dashboard.summary.overdue">&Uuml;berf&auml;llig</div>
                     </a>
-                    <a href="/deadlines?status=today" className="dashboard-card dashboard-card-today" id="dashboard-card-today">
+                    <a href="/events?type=deadline&status=today" className="dashboard-card dashboard-card-today" id="dashboard-card-today">
                       <div className="dashboard-card-count" id="dashboard-count-today">0</div>
                       <div className="dashboard-card-label" data-i18n="dashboard.summary.today">Heute</div>
                     </a>
-                    <a href="/deadlines?status=this_week" className="dashboard-card dashboard-card-amber" id="dashboard-card-thisweek">
+                    <a href="/events?type=deadline&status=this_week" className="dashboard-card dashboard-card-amber" id="dashboard-card-thisweek">
                       <div className="dashboard-card-count" id="dashboard-count-this-week">0</div>
                       <div className="dashboard-card-label" data-i18n="dashboard.summary.this_week">Diese Woche</div>
                     </a>
-                    <a href="/deadlines?status=next_week" className="dashboard-card dashboard-card-green" id="dashboard-card-nextweek">
+                    <a href="/events?type=deadline&status=next_week" className="dashboard-card dashboard-card-green" id="dashboard-card-nextweek">
                       <div className="dashboard-card-count" id="dashboard-count-next-week">0</div>
                       <div className="dashboard-card-label" data-i18n="dashboard.summary.next_week">N&auml;chste Woche</div>
                     </a>
-                    <a href="/deadlines?status=later" className="dashboard-card dashboard-card-later" id="dashboard-card-later">
+                    <a href="/events?type=deadline&status=later" className="dashboard-card dashboard-card-later" id="dashboard-card-later">
                       <div className="dashboard-card-count" id="dashboard-count-later">0</div>
                       <div className="dashboard-card-label" data-i18n="dashboard.summary.later">Sp&auml;ter</div>
                     </a>
diff --git a/internal/handlers/deadlines_pages.go b/internal/handlers/deadlines_pages.go
index 52ab049..cb69615 100644
--- a/internal/handlers/deadlines_pages.go
+++ b/internal/handlers/deadlines_pages.go
@@ -11,8 +11,15 @@ import "net/http"
 // to the canonical /events?type=deadline (t-paliad-115). Detail page
 // /deadlines/{id} stays type-specific. Drop this redirect once we're
 // confident no caches / bookmarks / external links still hit the old URL.
+//
+// Preserves the incoming query string so filter params (e.g. status=this_week
+// from the dashboard summary cards) survive the redirect.
 func handleDeadlinesListRedirect(w http.ResponseWriter, r *http.Request) {
-	http.Redirect(w, r, "/events?type=deadline", http.StatusMovedPermanently)
+	target := "/events?type=deadline"
+	if r.URL.RawQuery != "" {
+		target += "&" + r.URL.RawQuery
+	}
+	http.Redirect(w, r, target, http.StatusMovedPermanently)
 }
 
 func handleDeadlinesNewPage(w http.ResponseWriter, r *http.Request) {
diff --git a/internal/handlers/redirects_test.go b/internal/handlers/redirects_test.go
index a007dc0..faf2077 100644
--- a/internal/handlers/redirects_test.go
+++ b/internal/handlers/redirects_test.go
@@ -57,3 +57,29 @@ func TestStandaloneCalendarHandlers_RedirectToEventsKalender(t *testing.T) {
 		}
 	}
 }
+
+// /deadlines list redirect must forward the incoming query string so legacy
+// dashboard cards and external bookmarks like /deadlines?status=this_week
+// land at /events?type=deadline&status=this_week instead of losing the
+// filter. Regression for m's 2026-05-21 14:20 report.
+func TestDeadlinesListRedirect_PreservesQueryString(t *testing.T) {
+	cases := []struct {
+		path string
+		want string
+	}{
+		{"/deadlines", "/events?type=deadline"},
+		{"/deadlines?status=this_week", "/events?type=deadline&status=this_week"},
+		{"/deadlines?status=overdue&project_id=abc", "/events?type=deadline&status=overdue&project_id=abc"},
+	}
+	for _, tc := range cases {
+		req := httptest.NewRequest(http.MethodGet, tc.path, nil)
+		w := httptest.NewRecorder()
+		handleDeadlinesListRedirect(w, req)
+		if w.Code != http.StatusMovedPermanently {
+			t.Fatalf("%s: status = %d, want 301", tc.path, w.Code)
+		}
+		if got := w.Header().Get("Location"); got != tc.want {
+			t.Fatalf("%s: Location = %q, want %q", tc.path, got, tc.want)
+		}
+	}
+}