Index: kernel/arch/sparc64/src/drivers/sgcn.c
===================================================================
--- kernel/arch/sparc64/src/drivers/sgcn.c	(revision b60c582d0cf4f0476a720c8e05bd742fbffc87ce)
+++ kernel/arch/sparc64/src/drivers/sgcn.c	(revision a7b10710077af5495dbbd8a18f1fb413be7dc5c2)
@@ -32,5 +32,5 @@
 /**
  * @file
- * @brief	SGCN driver.
+ * @brief SGCN driver.
  */
 
@@ -278,5 +278,5 @@
 			sgcn_do_putchar(ch);
 		} else
-			sgcn_do_putchar(invalch);
+			sgcn_do_putchar(U_SPECIAL);
 		
 		spinlock_unlock(&sgcn_output_lock);