diff --git a/include/encrypter.h b/include/encrypter.h
index e69de29..b7564f3 100644
--- a/include/encrypter.h
+++ b/include/encrypter.h
@@ -0,0 +1,4 @@
+#ifndef WHY2_ENCRYPTER_H
+#define WHY2_ENCRYPTER_H
+
+#endif
\ No newline at end of file