diff --git a/kernel/trunk/kernel.asm b/kernel/trunk/kernel.asm
index beda679331..7bacd88616 100644
--- a/kernel/trunk/kernel.asm
+++ b/kernel/trunk/kernel.asm
@@ -5112,6 +5112,8 @@ syscall_getarea:
      shr   eax,16
      mov   ebx,edx
      and   ebx,0xffff
+     dec   eax
+	   dec   ebx
      ; eax - x, ebx - y
      mov   edx,ecx