diff --git a/client/mifare/ndef.c b/client/mifare/ndef.c
index b888d826..adc15839 100644
--- a/client/mifare/ndef.c
+++ b/client/mifare/ndef.c
@@ -12,6 +12,8 @@
 #include "ui.h"
 #include "emv/dump.h"
 #include "crypto/asn1utils.h"
+#include "util.h"
+#include <string.h>
 
 #define STRBOOL(p) ((p) ? "+" : "-")