diff --git a/kernel/shell.c b/kernel/shell.c
index 825195ca..910671bd 100644
--- a/kernel/shell.c
+++ b/kernel/shell.c
@@ -68,9 +68,9 @@ void shell_init(int srv_or_cli)
             sleep(1);
 
         sleep(5);
-        shelldebugprintf("sleeped 5 seconds\n");
+        shelldebugprint("sleeped 5 seconds\n");
         sleep(5);
-        shelldebugprintf("sleeped another 5 seconds\n");
+        shelldebugprint("sleeped another 5 seconds\n");
     }
 
 }