diff --git a/shell.asm b/shell.asm
index 04fbd29..cc6a141 100644
--- a/shell.asm
+++ b/shell.asm
@@ -18,7 +18,7 @@ endstruc
 WINDOW_MOVE equ 1
 WINDOW_RESIZE equ 2
 
-WINDOW_MIN_WIDTH equ 4
+WINDOW_MIN_WIDTH equ 5
 WINDOW_MIN_HEIGHT equ 2
 
 cpu 8086
@@ -432,8 +432,9 @@ render_file_window:
 	rep stosw
 
 	mov di, [si + window.data]
-	mov byte [di], 'A'
-	mov byte [di + 2], ':'
+	mov byte [di], 0x17
+	mov byte [di + 2], 'A'
+	mov byte [di + 4], ':'
 	add di, [si + window.width]
 	add di, [si + window.width]
 	mov byte [di - 2], 'x'