diff --git a/src/undo.c b/src/undo.c
index 1a4f6d0..56efb44 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -3693,7 +3693,7 @@
 	vim_free(file_name);
     }
 
-    set_option_value((char_u *)"undofile", 0L, NULL, OPT_LOCAL);
+    set_option_value_give_err((char_u *)"undofile", 0L, NULL, OPT_LOCAL);
 }
  #endif