diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
index a0ebfe7c9a28..7d42d105f32a 100644
--- a/include/uapi/drm/drm.h
+++ b/include/uapi/drm/drm.h
@@ -373,7 +373,11 @@ struct drm_buf_pub {
  */
 struct drm_buf_map {
 	int count;		/**< Length of the buffer list */
+#ifdef __cplusplus
+	void __user *virt;
+#else
 	void __user *virtual;		/**< Mmap'd area in user-virtual */
+#endif
 	struct drm_buf_pub __user *list;	/**< Buffer information */
 };