diff --git a/src/nouveau/vulkan/nvk_bo_sync.h b/src/nouveau/vulkan/nvk_bo_sync.h
index 990e74378ee..efd4eca088d 100644
--- a/src/nouveau/vulkan/nvk_bo_sync.h
+++ b/src/nouveau/vulkan/nvk_bo_sync.h
@@ -1,3 +1,6 @@
+#ifndef NVK_BO_SYNC_H
+#define NVK_BO_SYNC_H 1
+
 #include "nvk_private.h"
 
 #include "vulkan/runtime/vk_sync.h"
@@ -23,3 +26,5 @@ nvk_create_sync_for_memory(struct vk_device *device,
                            VkDeviceMemory memory,
                            bool signal_memory,
                            struct vk_sync **sync_out);
+
+#endif /* NVK_BO_SYNC_H */