1 files changed, 5 insertions, 1 deletions
diff --git a/src/libhaiku.h b/src/libhaiku.h
index f83c992..aebc0b2 100644
--- a/src/libhaiku.h
+++ b/src/libhaiku.h
@@ -14,7 +14,8 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-
+#ifndef LIBHAIKU_H
+#define LIBHAIKU_H
 
 
 /**
@@ -27,3 +28,6 @@
  */
 void haiku(const char *s);
 
+
+#endif
+