1 files changed, 2 insertions, 2 deletions
diff --git a/user/mkdir.c b/user/mkdir.c
index 5f1e155..6996ee9 100644
--- a/user/mkdir.c
+++ b/user/mkdir.c
@@ -8,13 +8,13 @@ main(int argc, char *argv[])
   int i;
 
   if(argc < 2){
-    printf(2, "Usage: mkdir files...\n");
+    fprintf(2, "Usage: mkdir files...\n");
     exit();
   }
 
   for(i = 1; i < argc; i++){
     if(mkdir(argv[i]) < 0){
-      printf(2, "mkdir: %s failed to create\n", argv[i]);
+      fprintf(2, "mkdir: %s failed to create\n", argv[i]);
       break;
     }
   }