--- fbgrab-1.0/fbgrab.c~	2012-02-10 20:56:28.166678810 +0100
+++ fbgrab-1.0/fbgrab.c	2012-02-10 20:56:51.403471216 +0100
@@ -23,6 +23,7 @@
 #include <getopt.h>
 #include <sys/vt.h>   /* to handle vt changing */
 #include <png.h>      /* PNG lib */
+#include <zlib.h>
 #include <linux/fb.h> /* to handle framebuffer ioctls */
 
 #define	VERSION	"1.0 beta 1"