diff --git a/x-pack/plugins/observability_solution/synthetics/public/apps/synthetics/utils/testing/__mocks__/synthetics_store.mock.ts b/x-pack/plugins/observability_solution/synthetics/public/apps/synthetics/utils/testing/__mocks__/synthetics_store.mock.ts
index abfc08919b33a..897be8c4ad970 100644
--- a/x-pack/plugins/observability_solution/synthetics/public/apps/synthetics/utils/testing/__mocks__/synthetics_store.mock.ts
+++ b/x-pack/plugins/observability_solution/synthetics/public/apps/synthetics/utils/testing/__mocks__/synthetics_store.mock.ts
@@ -100,6 +100,7 @@ export const mockState: SyntheticsAppState = {
       sortOrder: 'asc',
       sortField: 'name.keyword',
     },
+    trendStats: {},
     data: {
       total: 0,
       allMonitorIds: [],