diff --git a/src/undo.c b/src/undo.c
index 07b2781..e60e9fa 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -778,7 +778,7 @@
     char_u	*undo_file_name = NULL;
     int		dir_len;
     char_u	*p;
-    struct stat st;
+    stat_T	st;
     char_u	*ffname = buf_ffname;
 #ifdef HAVE_READLINK
     char_u	fname_buf[MAXPATHL];
@@ -1522,8 +1522,8 @@
     int		write_ok = FALSE;
 #ifdef UNIX
     int		st_old_valid = FALSE;
-    struct stat	st_old;
-    struct stat	st_new;
+    stat_T	st_old;
+    stat_T	st_new;
 #endif
     bufinfo_T	bi;
 
@@ -1804,8 +1804,8 @@
     int		*uhp_table_used;
 #endif
 #ifdef UNIX
-    struct stat	st_orig;
-    struct stat	st_undo;
+    stat_T	st_orig;
+    stat_T	st_undo;
 #endif
     bufinfo_T	bi;