diff --git a/kintox11/binary/kintox11 b/kintox11/binary/kintox11
index 6c1d9e4..bd2c6c8 100755
Binary files a/kintox11/binary/kintox11 and b/kintox11/binary/kintox11 differ
diff --git a/kintox11/src/kintox11.c b/kintox11/src/kintox11.c
index b716937..b002a63 100644
--- a/kintox11/src/kintox11.c
+++ b/kintox11/src/kintox11.c
@@ -10,7 +10,7 @@
 //
 // To compile with static library json-c 
 // Make sure archive with object files exist ar -t /usr/local/lib/libjson-c.a
-// gcc -L/usr/local/lib/ kintox11.c -ljson-c -lXmu -lXt -lX11 -o kintox11
+// gcc -L/usr/local/lib/ kintox11.c -ljson-c -lXmu -lXt -lX11 -O2 -o kintox11
 //
 
 #include <stdlib.h>