Index: kernel/genarch/src/drivers/ega/ega.c
===================================================================
--- kernel/genarch/src/drivers/ega/ega.c	(revision 84afc7bf42bf4b5e22750a7f377f4bfc31636630)
+++ kernel/genarch/src/drivers/ega/ega.c	(revision 0dd772dc555eeb71e8813d9545b577a09847cd35)
@@ -133,5 +133,5 @@
 }
 
-static void ega_putchar(outdev_t *dev __attribute__((unused)), const char ch, bool silent)
+static void ega_putchar(outdev_t *dev __attribute__((unused)), wchar_t ch, bool silent)
 {
 	ipl_t ipl;