diff --git a/pkg/vm_service/test/get_memory_usage_test.dart b/pkg/vm_service/test/get_memory_usage_test.dart
index 3466b8f44ff..16b82b7d91b 100644
--- a/pkg/vm_service/test/get_memory_usage_test.dart
+++ b/pkg/vm_service/test/get_memory_usage_test.dart
@@ -13,7 +13,7 @@ final tests = <VMTest>[
     final result = await service.getMemoryUsage(vm.isolates!.first.id!);
     expect(result.heapUsage, isPositive);
     expect(result.heapCapacity, isPositive);
-    expect(result.externalUsage, isPositive);
+    expect(result.externalUsage, greaterThanOrEqualTo(0));
   },
   (VmService service) async {
     bool? caughtException;