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

index fc89f5a..3c3e4b0 100644

--- a/fbgrab/fbgrab.c

+++ b/fbgrab/fbgrab.c

@@ -24,6 +24,7 @@

 #include <sys/vt.h>   /* to handle vt changing */

 #include <png.h>      /* PNG lib */

 #include <linux/fb.h> /* to handle framebuffer ioctls */

+#include <zlib.h>

 #define	VERSION	"1.0 beta 1"

 #define	DEFAULT_FB	"/dev/fb0"