--- src/date.cpp
+++ src/date.cpp
@@ -22,6 +22,7 @@
 
 #include <iomanip>
 #include <cstdlib>
+#include <cstdio>
 #include "date.h"
 #include "texts.h"
 
--- src/filehelper.cpp
+++ src/filehelper.cpp
@@ -23,6 +23,7 @@
 #include "filehelper.h"
 #include "error.h"
 #include <vector>
+#include <cstdio>
 using namespace std;
 
 #ifdef WIN32