diff --git a/kernel_module/x52joy.c b/kernel_module/x52joy.c
index 5729394..4ae64a2 100644
--- a/kernel_module/x52joy.c
+++ b/kernel_module/x52joy.c
@@ -578,7 +578,7 @@ static int __init x52_init(void)
 
     retval = usb_register(&x52_driver);
     if (retval) {
-        err("usb_register failed (errno=%d)\n", retval);
+        pr_err("usb_register failed (errno=%d)\n", retval);
     }
 
     return retval;
diff --git a/kernel_module/x52joy_input.c b/kernel_module/x52joy_input.c
index 069410c..a9b844a 100644
--- a/kernel_module/x52joy_input.c
+++ b/kernel_module/x52joy_input.c
@@ -150,11 +150,11 @@ void x52_irq_handler(struct urb *urb)
 	case -ENOENT:
 	case -ESHUTDOWN:
 		/* This URB is terminated, clean up */
-		dbg("%s - URB shutting down with status: %d",
+		pr_debug("%s - URB shutting down with status: %d",
 			__func__, status);
 		return;
 	default:
-		dbg("%s - nonzero URB status received: %d",
+		pr_debug("%s - nonzero URB status received: %d",
 			__func__, status);
 		goto error;
 	}
@@ -172,8 +172,8 @@ void x52_irq_handler(struct urb *urb)
 error:
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
 	if (retval)
-		err ("%s - usb_submit_urb failed with result %d",
-		     __func__, retval);
+		pr_err("%s - usb_submit_urb failed with result %d",
+			__func__, retval);
     
 }