diff --git a/ttd.c b/ttd.c
index 50cc44610e..3d7210bc88 100644
--- a/ttd.c
+++ b/ttd.c
@@ -1041,7 +1041,7 @@ static void DoAutosave()
 		SetDParam(0, p->name_1);
 		SetDParam(1, p->name_2);
 		SetDParam(2, _date);
-		s= (char*)GetString(buf + strlen(_path.autosave_dir) + strlen(PATHSEP) - 1, STR_4004);
+		s= (char*)GetString(buf + strlen(_path.autosave_dir) + strlen(PATHSEP), STR_4004);
 		strcpy(s, ".sav");
 	} else {
 		int n = _autosave_ctr;