diff --git a/libnfc/drivers/arygon.c b/libnfc/drivers/arygon.c
index f876b87..7565b75 100644
--- a/libnfc/drivers/arygon.c
+++ b/libnfc/drivers/arygon.c
@@ -33,6 +33,7 @@
 
 #include <stdio.h>
 #include <string.h>
+#include <strings.h>
 
 #include "arygon.h"