diff --git a/modules/mesh-delivery-checker/internal/check/try.go b/modules/mesh-delivery-checker/internal/check/try.go
index 8109a525..577f4d38 100644
--- a/modules/mesh-delivery-checker/internal/check/try.go
+++ b/modules/mesh-delivery-checker/internal/check/try.go
@@ -711,7 +711,10 @@ func (tr *Tryer) run(ctx context.Context, key string) {
 		return
 	}
 	tr.logf("%s: %s", key, t.State)
-	tr.sendEnd(ctx, key)
+	// The end just written comes back on the key's watch, and Put then stops this run's context (it stops judging a try
+	// ended by hand) while this run says the end, which Put's own say leaves to it: the end is said on a context that
+	// stop does not cancel, or it is never said and the indexer keeps the candidate of the try's group.
+	tr.sendEnd(context.WithoutCancel(ctx), key)
 }
 
 // sendEnd says the end of an ended try whose start was said (Told) with the state it ended in, then clears Told in the try's
diff --git a/modules/mesh-delivery-checker/internal/check/try_test.go b/modules/mesh-delivery-checker/internal/check/try_test.go
index d0863d93..a5de63fb 100644
--- a/modules/mesh-delivery-checker/internal/check/try_test.go
+++ b/modules/mesh-delivery-checker/internal/check/try_test.go
@@ -188,7 +188,19 @@ func TestATryIsJudgedAsAGroupsCheckAndOwesTheForgeNothing(t *testing.T) { // ADR
 	var waiting string
 	cands.during = func() { waiting = readTry(t, kv, id).Waiting } // ADR 0639 §5: the stored try says what it waits for
 	var said []string
-	tr := &Tryer{Tries: written, Judge: b.ex, Say: func(_ context.Context, event string, e tryevent.Event) error {
+	var tr *Tryer
+	echoed := false
+	tr = &Tryer{Tries: written, Judge: b.ex, Say: func(ctx context.Context, event string, e tryevent.Event) error {
+		if event == tryevent.Ended && !echoed {
+			// The end the run wrote comes back on the key's watch while the run says it: Put stops the run's context and
+			// leaves the saying to the run, whose say must not be stopped with it (issue 1921).
+			echoed = true
+			raw, _, _, _ := kv.Get(context.Background(), id)
+			tr.Put(context.Background(), id, raw)
+		}
+		if err := ctx.Err(); err != nil {
+			return err // a publish on a stopped context is never acknowledged
+		}
 		said = append(said, fmt.Sprintf("%s %s %d %s", event, e.ID, len(e.Members), e.State))
 		return nil
 	}}