diff --git a/src/elib/convert.asm b/src/elib/convert.asm
index af5b421..22710e5 100644
--- a/src/elib/convert.asm
+++ b/src/elib/convert.asm
@@ -20,7 +20,7 @@ hexToASCII:
 		; convert ax into ASCII (numeric)
 		add al, ASCII_OFFSET_NUM ; add 0x30
 
-		cmp al
+		cmp al, 0x39 ; if al (char) > 9
 
 	return:
 		mov bx, HEX_OUT