diff --git a/MBTest.cpp b/MBTest.cpp
index edc9b2d..60e0f6c 100644
--- a/MBTest.cpp
+++ b/MBTest.cpp
@@ -29,6 +29,7 @@
 
 #include <iostream>
 #include <algorithm>
+#include <cstdio>
 #include <time.h>
 #include <assert.h>
 #include <math.h>
diff --git a/WriteHDF5.cpp b/WriteHDF5.cpp
index 7a8f26d..3fdfdd3 100644
--- a/WriteHDF5.cpp
+++ b/WriteHDF5.cpp
@@ -38,6 +38,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <limits>
+#include <cstdio>
 #include <H5Tpublic.h>
 #include <H5Ppublic.h>
 #include "MBInterface.hpp"
diff --git a/kd_tree_test.cpp b/kd_tree_test.cpp
index 63cbbf0..d83f2c4 100644
--- a/kd_tree_test.cpp
+++ b/kd_tree_test.cpp
@@ -5,6 +5,7 @@
 #include <math.h>
 #include <assert.h>
 #include <float.h>
+#include <cstdio>
 
 #include "MBCartVect.hpp"
 
diff --git a/kd_tree_tool.cpp b/kd_tree_tool.cpp
index 1625a4b..472e855 100644
--- a/kd_tree_tool.cpp
+++ b/kd_tree_tool.cpp
@@ -6,6 +6,7 @@
 #include "MBRange.hpp"
 #include <iostream>
 #include <iomanip>
+#include <cstdio>
 #include <limits>
 #include <stdlib.h>
 #include <time.h>
diff --git a/test/obb/obb_test.cpp b/test/obb/obb_test.cpp
index ef5a767..b6e1c7a 100644
--- a/test/obb/obb_test.cpp
+++ b/test/obb/obb_test.cpp
@@ -8,6 +8,7 @@
 
 #include <iostream>
 #include <sstream>
+#include <cstdio>
 #include <stdlib.h>
 #include <limits>
 #include <set>
diff --git a/test/obb/obb_tree_tool.cpp b/test/obb/obb_tree_tool.cpp
index b7eacfb..10a76ec 100644
--- a/test/obb/obb_tree_tool.cpp
+++ b/test/obb/obb_tree_tool.cpp
@@ -8,6 +8,7 @@
 
 #include <iostream>
 #include <iomanip>
+#include <cstdio>
 #include <limits>
 #include <stdlib.h>
 #include <time.h>