diff --git a/src/vulkan/runtime/vk_queue.c b/src/vulkan/runtime/vk_queue.c
index 4c2c3fdc036..8386342e595 100644
--- a/src/vulkan/runtime/vk_queue.c
+++ b/src/vulkan/runtime/vk_queue.c
@@ -463,6 +463,7 @@ vk_queue_submit_thread_func(void *_data)
       cnd_broadcast(&queue->submit.pop);
    }
 
+   mtx_unlock(&queue->submit.mutex);
    return 0;
 }