diff --git a/src/panfrost/vulkan/jm/panvk_vX_queue.c b/src/panfrost/vulkan/jm/panvk_vX_queue.c
index 4930dea7244..8b59eb4c831 100644
--- a/src/panfrost/vulkan/jm/panvk_vX_queue.c
+++ b/src/panfrost/vulkan/jm/panvk_vX_queue.c
@@ -331,6 +331,9 @@ panvk_per_arch(QueueWaitIdle)(VkQueue _queue)
    VK_FROM_HANDLE(panvk_queue, queue, _queue);
    struct panvk_device *dev = to_panvk_device(queue->vk.base.device);
 
+   /* we need to use vk_common_QueueWaitIdle if we ever go threaded */
+   assert(queue->vk.submit.mode != VK_QUEUE_SUBMIT_MODE_THREADED);
+
    if (vk_device_is_lost(&dev->vk))
       return VK_ERROR_DEVICE_LOST;