diff --git a/kernel/trunk/gui/font.inc b/kernel/trunk/gui/font.inc
index 3458e87abd..282d59a244 100644
--- a/kernel/trunk/gui/font.inc
+++ b/kernel/trunk/gui/font.inc
@@ -141,10 +141,9 @@ deltaToScreen = 28
 .drawUTF8:
         dec     dword [esp]
         js      .done
-        mov     ecx, 256
         xor     eax, eax
         call    utf8to16
-        test    ax, ax
+        test    eax, eax
         jz      .done
         cmp     eax, 1419
         jc      @f