Index: kernel/arch/ia64/src/drivers/ski.c
===================================================================
--- kernel/arch/ia64/src/drivers/ski.c	(revision 11b285d87da6e1d6a1d65134694b4f971f3cdebc)
+++ kernel/arch/ia64/src/drivers/ski.c	(revision 75701004b4fe1a0a5f2b92aef205e5bfbf9a69e3)
@@ -58,8 +58,8 @@
 };
 
-static void ski_putchar(outdev_t *, const wchar_t);
+static void ski_putwchar(outdev_t *, const wchar_t);
 
 static outdev_operations_t skidev_ops = {
-	.write = ski_putchar,
+	.write = ski_putwchar,
 	.redraw = NULL,
 	.scroll_up = NULL,
@@ -166,5 +166,5 @@
 }
 
-static void ski_do_putchar(const wchar_t ch)
+static void ski_do_putchar(char ch)
 {
 	asm volatile (
@@ -187,5 +187,5 @@
  *
  */
-static void ski_putchar(outdev_t *dev, const wchar_t ch)
+static void ski_putwchar(outdev_t *dev, wchar_t ch)
 {
 	// TODO FIXME:
@@ -198,6 +198,7 @@
 
 			ski_do_putchar(ch);
-		} else
-			ski_do_putchar(U_SPECIAL);
+		} else {
+			ski_do_putchar('?');
+		}
 	}
 }