diff --git a/pkg/services/ngalert/ngalert.go b/pkg/services/ngalert/ngalert.go
index 37c169130fb..fae7c64512e 100644
--- a/pkg/services/ngalert/ngalert.go
+++ b/pkg/services/ngalert/ngalert.go
@@ -552,7 +552,7 @@ func (ng *AlertNG) Run(ctx context.Context) error {
 		// Also note that this runs synchronously to ensure state is loaded
 		// before rule evaluation begins, hence we use ctx and not subCtx.
 		//
-		ng.stateManager.Warm(ctx, ng.store)
+		ng.stateManager.Warm(ctx, ng.store, ng.store)
 
 		children.Go(func() error {
 			return ng.schedule.Run(subCtx)
diff --git a/pkg/services/ngalert/state/manager.go b/pkg/services/ngalert/state/manager.go
index b351f6c274f..666fd65de50 100644
--- a/pkg/services/ngalert/state/manager.go
+++ b/pkg/services/ngalert/state/manager.go
@@ -123,7 +123,7 @@ func (st *Manager) Run(ctx context.Context) error {
 	return nil
 }
 
-func (st *Manager) Warm(ctx context.Context, rulesReader RuleReader) {
+func (st *Manager) Warm(ctx context.Context, rulesReader RuleReader, instanceReader InstanceReader) {
 	if st.instanceStore == nil {
 		st.log.Info("Skip warming the state because instance store is not configured")
 		return
@@ -131,7 +131,7 @@ func (st *Manager) Warm(ctx context.Context, rulesReader RuleReader) {
 	startTime := time.Now()
 	st.log.Info("Warming state cache for startup")
 
-	orgIds, err := st.instanceStore.FetchOrgIds(ctx)
+	orgIds, err := instanceReader.FetchOrgIds(ctx)
 	if err != nil {
 		st.log.Error("Unable to fetch orgIds", "error", err)
 	}
@@ -175,7 +175,7 @@ func (st *Manager) Warm(ctx context.Context, rulesReader RuleReader) {
 		cmd := ngModels.ListAlertInstancesQuery{
 			RuleOrgID: orgId,
 		}
-		alertInstances, err := st.instanceStore.ListAlertInstances(ctx, &cmd)
+		alertInstances, err := instanceReader.ListAlertInstances(ctx, &cmd)
 		if err != nil {
 			st.log.Error("Unable to fetch previous state", "error", err)
 		}
diff --git a/pkg/services/ngalert/state/manager_test.go b/pkg/services/ngalert/state/manager_test.go
index a46e5357fe5..fc5999e3762 100644
--- a/pkg/services/ngalert/state/manager_test.go
+++ b/pkg/services/ngalert/state/manager_test.go
@@ -230,7 +230,7 @@ func TestWarmStateCache(t *testing.T) {
 		Log:           log.New("ngalert.state.manager"),
 	}
 	st := state.NewManager(cfg, state.NewNoopPersister())
-	st.Warm(ctx, dbstore)
+	st.Warm(ctx, dbstore, dbstore)
 
 	t.Run("instance cache has expected entries", func(t *testing.T) {
 		for _, entry := range expectedEntries {
@@ -277,7 +277,7 @@ func TestDashboardAnnotations(t *testing.T) {
 		"test2": "{{ $labels.instance_label }}",
 	})
 
-	st.Warm(ctx, dbstore)
+	st.Warm(ctx, dbstore, dbstore)
 	bValue := float64(42)
 	cValue := float64(1)
 	_ = st.ProcessEvalResults(ctx, evaluationTime, rule, eval.Results{{
@@ -1813,7 +1813,7 @@ func TestStaleResultsHandler(t *testing.T) {
 			Log:           log.New("ngalert.state.manager"),
 		}
 		st := state.NewManager(cfg, state.NewNoopPersister())
-		st.Warm(ctx, dbstore)
+		st.Warm(ctx, dbstore, dbstore)
 		existingStatesForRule := st.GetStatesForRuleUID(rule.OrgID, rule.UID)
 
 		// We have loaded the expected number of entries from the db
@@ -2073,7 +2073,7 @@ func TestDeleteStateByRuleUID(t *testing.T) {
 				Log:           log.New("ngalert.state.manager"),
 			}
 			st := state.NewManager(cfg, state.NewNoopPersister())
-			st.Warm(ctx, dbstore)
+			st.Warm(ctx, dbstore, dbstore)
 			q := &models.ListAlertInstancesQuery{RuleOrgID: rule.OrgID, RuleUID: rule.UID}
 			alerts, _ := dbstore.ListAlertInstances(ctx, q)
 			existingStatesForRule := st.GetStatesForRuleUID(rule.OrgID, rule.UID)
@@ -2214,7 +2214,7 @@ func TestResetStateByRuleUID(t *testing.T) {
 				Log:           log.New("ngalert.state.manager"),
 			}
 			st := state.NewManager(cfg, state.NewNoopPersister())
-			st.Warm(ctx, dbstore)
+			st.Warm(ctx, dbstore, dbstore)
 			q := &models.ListAlertInstancesQuery{RuleOrgID: rule.OrgID, RuleUID: rule.UID}
 			alerts, _ := dbstore.ListAlertInstances(ctx, q)
 			existingStatesForRule := st.GetStatesForRuleUID(rule.OrgID, rule.UID)
diff --git a/pkg/services/ngalert/state/persist.go b/pkg/services/ngalert/state/persist.go
index a6d9a74d500..5249a2f1ee5 100644
--- a/pkg/services/ngalert/state/persist.go
+++ b/pkg/services/ngalert/state/persist.go
@@ -9,8 +9,8 @@ import (
 
 // InstanceStore represents the ability to fetch and write alert instances.
 type InstanceStore interface {
-	FetchOrgIds(ctx context.Context) ([]int64, error)
-	ListAlertInstances(ctx context.Context, cmd *models.ListAlertInstancesQuery) ([]*models.AlertInstance, error)
+	InstanceReader
+
 	SaveAlertInstance(ctx context.Context, instance models.AlertInstance) error
 	DeleteAlertInstances(ctx context.Context, keys ...models.AlertInstanceKey) error
 	// SaveAlertInstancesForRule overwrites the state for the given rule.
@@ -19,6 +19,12 @@ type InstanceStore interface {
 	FullSync(ctx context.Context, instances []models.AlertInstance) error
 }
 
+// InstanceReader provides methods to fetch alert instances.
+type InstanceReader interface {
+	FetchOrgIds(ctx context.Context) ([]int64, error)
+	ListAlertInstances(ctx context.Context, cmd *models.ListAlertInstancesQuery) ([]*models.AlertInstance, error)
+}
+
 // RuleReader represents the ability to fetch alert rules.
 type RuleReader interface {
 	ListAlertRules(ctx context.Context, query *models.ListAlertRulesQuery) (models.RulesGroup, error)