diff --git a/compress42.c b/compress42.c

index 804d099..b3b3add 100644

--- a/compress42.c

+++ b/compress42.c

@@ -130,6 +130,7 @@

  *   Add variable bit length output.

  *

  */

+#include	<unistd.h>

 #include	<stdio.h>

 #include	<stdlib.h>

 #include	<string.h>

@@ -538,8 +539,8 @@ int				remove_ofname = 0;	/* Remove output file on a error				*/

 char 			ofname[MAXPATHLEN];	/* Output filename								*/

 int				fgnd_flag = 0;		/* Running in background (SIGINT=SIGIGN)		*/

-long 			bytes_in;			/* Total number of byte from input				*/

-long 			bytes_out;			/* Total number of byte to output				*/

+long long bytes_in;			/* Total number of byte from input				*/

+long long bytes_out;			/* Total number of byte to output				*/

 /*

  * 8086 & 80286 Has a problem with array bigger than 64K so fake the array