diff --git a/include/drm/drm_syncobj.h b/include/drm/drm_syncobj.h
index 29244cbcd05e127d643cc3dc055a324b1708a0de..ef57215126328ba619c6d83a0ca4cc08eb057b44 100644
--- a/include/drm/drm_syncobj.h
+++ b/include/drm/drm_syncobj.h
@@ -26,7 +26,9 @@
 #ifndef __DRM_SYNCOBJ_H__
 #define __DRM_SYNCOBJ_H__
 
-#include "linux/dma-fence.h"
+#include <linux/dma-fence.h>
+
+struct drm_file;
 
 struct drm_syncobj_cb;