diff --git a/src/x86/putc.c b/src/x86/putc.c
index 84891f4..cac04ab 100644
--- a/src/x86/putc.c
+++ b/src/x86/putc.c
@@ -28,7 +28,7 @@ struct cell_t
     char bg : 4;
 };
 
-struct cell_t *screen = 0xFFCB8000;
+struct cell_t *screen = (struct cell_t*)0xFF8B8000;
 
 const size_t tab_width = 4;
 const size_t line_width = 80;