diff --git a/src/main.c b/src/main.c
index ed22b5a..4466105 100644
--- a/src/main.c
+++ b/src/main.c
@@ -17,6 +17,7 @@
  */
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <time.h>
 
 char version[7] = "v0.1";