diff --git a/src/structs.h b/src/structs.h
index 475280a..0175017 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -515,6 +515,12 @@
     int		bh_space;	/* space in bh_curr for appending */
 };
 
+typedef struct
+{
+    buffheader_T sr_redobuff;
+    buffheader_T sr_old_redobuff;
+} save_redo_T;
+
 /*
  * used for completion on the command line
  */