diff --git a/src/encrypter.c b/src/encrypter.c
index a52d969..0a60416 100644
--- a/src/encrypter.c
+++ b/src/encrypter.c
@@ -1,3 +1,5 @@
+#include "../include/encrypter.h"
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>