1 files changed, 2 insertions, 2 deletions
diff --git a/user/ln.c b/user/ln.c
index 482dd79..0bb0c95 100644
--- a/user/ln.c
+++ b/user/ln.c
@@ -6,10 +6,10 @@ int
 main(int argc, char *argv[])
 {
   if(argc != 3){
-    printf(2, "Usage: ln old new\n");
+    fprintf(2, "Usage: ln old new\n");
     exit();
   }
   if(link(argv[1], argv[2]) < 0)
-    printf(2, "link %s %s: failed\n", argv[1], argv[2]);
+    fprintf(2, "link %s %s: failed\n", argv[1], argv[2]);
   exit();
 }