diff -r c9b6dd9dd4cd -r a5457405cc9b src/demo.h
--- a/src/demo.h	Sun Aug 11 16:08:13 2013 +0300
+++ b/src/demo.h	Sun Sep 08 16:14:58 2013 +0300
@@ -16,8 +16,8 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef DEMO_H
-#define DEMO_H
+#ifndef ZANDEMO_DEMO_H
+#define ZANDEMO_DEMO_H
 
 #include "types.h"
 
@@ -43,4 +43,4 @@
 
 int launchDemo (str path);
 
-#endif // DEMO_H
\ No newline at end of file
+#endif // ZANDEMO_DEMO_H
\ No newline at end of file