diff --git a/exempi/tests/utils.cpp b/exempi/tests/utils.cpp

index 64be1ee..ee1c3a9 100644

--- a/exempi/tests/utils.cpp

+++ b/exempi/tests/utils.cpp

@@ -34,6 +34,7 @@

  * OF THE POSSIBILITY OF SUCH DAMAGE.

  */

+#include <cstdio>

 #include <boost/test/unit_test.hpp>

diff --git a/samples/source/XMPFilesCoverage.cpp b/samples/source/XMPFilesCoverage.cpp

index dc9ce41..007c12b 100644

--- a/samples/source/XMPFilesCoverage.cpp

+++ b/samples/source/XMPFilesCoverage.cpp

@@ -17,6 +17,7 @@

 #include <errno.h>

 #include <time.h>

 #include <cstring>

+#include <cstdio>

 #define TXMP_STRING_TYPE std::string

 #define XMP_INCLUDE_XMPFILES 1

diff --git a/source/common/XML_Node.cpp b/source/common/XML_Node.cpp

index de3866f..75298a8 100644

--- a/source/common/XML_Node.cpp

+++ b/source/common/XML_Node.cpp

@@ -11,6 +11,7 @@

 #include <string.h>

 #include <cstring>

+#include <cstdio>

 #include <map>

 // ! Can't include XMP..._Impl.hpp - used by both Core and Files.