diff --git a/modules/rostests/kmtests/ntos_ex/ExUuid.c b/modules/rostests/kmtests/ntos_ex/ExUuid.c
index 2fb0bba8dc8..82bb27b6089 100644
--- a/modules/rostests/kmtests/ntos_ex/ExUuid.c
+++ b/modules/rostests/kmtests/ntos_ex/ExUuid.c
@@ -14,8 +14,14 @@ START_TEST(ExUuid)
 {
     UUID Uuid;
     NTSTATUS Status;
+    ULONG i;
 
-    Status = ExUuidCreate(&Uuid);
-    ok(Status == STATUS_SUCCESS, "ExUuidCreate returned unexpected status: %lx\n", Status);
-    ok((Uuid.Data3 & 0x1000) == 0x1000, "Invalid UUID version: %x\n", (Uuid.Data3 & 0xF000));
+    for (i = 0; i < 1000; i++)
+    {
+        Status = ExUuidCreate(&Uuid);
+        ok(Status == STATUS_SUCCESS || Status == RPC_NT_UUID_LOCAL_ONLY,
+           "ExUuidCreate returned unexpected status: 0x%lx\n", Status);
+        ok((Uuid.Data3 & 0xF000) == 0x1000, "Invalid UUID version: 0x%x\n", (Uuid.Data3 & 0xF000));
+        ok((Uuid.Data4[0] & 0xC0) == 0x80, "Invalid UUID variant: 0x%x\n", (Uuid.Data4[0] & 0xF0));
+    }
 }