diff --git a/modules/mesh-build-go/cmd/mesh-build-go/compose_integration_test.go b/modules/mesh-build-go/cmd/mesh-build-go/compose_integration_test.go
index ad1fe4d0..fae8c3a0 100644
--- a/modules/mesh-build-go/cmd/mesh-build-go/compose_integration_test.go
+++ b/modules/mesh-build-go/cmd/mesh-build-go/compose_integration_test.go
@@ -73,6 +73,7 @@ func TestAComposeAskIsBuiltOnceAndAnsweredOnTheBus(t *testing.T) {
 	states := newStates()
 	m := moduleWith(states, "go1.26.0")
 	m.Work, m.Cache, m.Inside = t.TempDir(), t.TempDir(), true
+	m.Capacity = func() int { return 1 } // its own slot: no settings file, and a node with no capacity set pulls nothing (ADR 0567 §15)
 	m.Run = StepRunner(t.TempDir())
 	m.GoModCache = goEnvOf(t, "GOMODCACHE")      // the module cache this module's own build filled, read and not fetched
 	run, gocache := m.Run, goEnvOf(t, "GOCACHE") // this machine's build cache, so the composer's packages compile once