diff --git a/tools/mfd_aes_brute/mfd_aes_brute.c b/tools/mfd_aes_brute/mfd_aes_brute.c
index 19bb54ce5..53a984421 100644
--- a/tools/mfd_aes_brute/mfd_aes_brute.c
+++ b/tools/mfd_aes_brute/mfd_aes_brute.c
@@ -33,6 +33,7 @@
 #include <time.h>
 #include <pthread.h>
 #include <unistd.h>
+#include <inttypes.h>
 #include "util_posix.h"
 
 #define AEND  "\x1b[0m"
diff --git a/tools/mfd_aes_brute/mfd_multi_brute.c b/tools/mfd_aes_brute/mfd_multi_brute.c
index 226fd9f7f..b097c77d7 100644
--- a/tools/mfd_aes_brute/mfd_multi_brute.c
+++ b/tools/mfd_aes_brute/mfd_multi_brute.c
@@ -35,6 +35,7 @@
 #include <time.h>
 #include <pthread.h>
 #include <unistd.h>
+#include <inttypes.h>
 //#include <mbedtls/aes.h>
 #include "util_posix.h"
 #include "randoms.h"