diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index 48b5202c531d..c841af28b706 100644
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -26,6 +26,7 @@
 struct dma_fence;
 struct dma_fence_ops;
 struct dma_fence_cb;
+struct seq_file;
 
 /**
  * struct dma_fence - software synchronization primitive