diff --git a/Linux Bootstrap/xeh.c b/Linux Bootstrap/xeh.c
index 04d5b6f..8a2ebe1 100644
--- a/Linux Bootstrap/xeh.c	
+++ b/Linux Bootstrap/xeh.c	
@@ -15,13 +15,16 @@
  * along with stage0.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include<stdlib.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdint.h>
 
-int main (int argc, char *argv[])
+int main ()
 {
-	char output[2] = {};
+	char output[3] = {0};
+	/* {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'} */
 	char table[16] = {0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46};
-	char c;
+	uint8_t c;
 	int col = 40;
 	int i = read(0, &c, 1);
 	while( i > 0)