diff --git a/modules/mesh-delivery-builder/cmd/mesh-delivery-builder/integration_test.go b/modules/mesh-delivery-builder/cmd/mesh-delivery-builder/integration_test.go
index 926260a..d7b8fab 100644
--- a/modules/mesh-delivery-builder/cmd/mesh-delivery-builder/integration_test.go
+++ b/modules/mesh-delivery-builder/cmd/mesh-delivery-builder/integration_test.go
@@ -554,7 +554,11 @@ func TestBuilderBuildsACandidatesFingerprintFromTheHeadMergedOntoTheTrunk(t *tes
 	if err != nil {
 		t.Fatal(err)
 	}
-	if _, err := b.candidates.Put(b.ctx, "feat%2Fx", cand); err != nil {
+	ckey, err := delivery.CandidatesKey("feat/x")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, err := b.candidates.Put(b.ctx, ckey, cand); err != nil {
 		t.Fatal(err)
 	}
 	b.start(t, "n1", nil)