diff --git a/client/src/proxmark3.c b/client/src/proxmark3.c
index 2ea90d5b4..08c231e1b 100644
--- a/client/src/proxmark3.c
+++ b/client/src/proxmark3.c
@@ -23,6 +23,7 @@
 #include <unistd.h>
 #include <ctype.h>
 #include <libgen.h>        // basename
+#include <time.h>
 
 #include "pm3line.h"
 #include "usart_defs.h"
diff --git a/tools/cryptorf/sma.cpp b/tools/cryptorf/sma.cpp
index d5839f487..4b7b2d15a 100644
--- a/tools/cryptorf/sma.cpp
+++ b/tools/cryptorf/sma.cpp
@@ -22,6 +22,7 @@
  */
 
 #include <stdio.h>
+#include <time.h>
 #include <string.h>
 #include <inttypes.h>
 #include <iostream>