diff --git a/samples/c/find_obj.cpp b/samples/c/find_obj.cpp
index cd88b8a4b6..693e16b364 100644
--- a/samples/c/find_obj.cpp
+++ b/samples/c/find_obj.cpp
@@ -12,6 +12,7 @@
 
 #include <iostream>
 #include <vector>
+#include <stdio.h>
 
 using namespace std;
 void help()
diff --git a/samples/c/find_obj_ferns.cpp b/samples/c/find_obj_ferns.cpp
index e944acb0fa..efb6670525 100644
--- a/samples/c/find_obj_ferns.cpp
+++ b/samples/c/find_obj_ferns.cpp
@@ -7,6 +7,7 @@
 #include <algorithm>
 #include <iostream>
 #include <vector>
+#include <stdio.h>
 
 using namespace cv;
 void help()
diff --git a/samples/c/mser_sample.cpp b/samples/c/mser_sample.cpp
index 94519d63d4..9aa0e33461 100644
--- a/samples/c/mser_sample.cpp
+++ b/samples/c/mser_sample.cpp
@@ -6,6 +6,7 @@
 #include "opencv2/features2d/features2d.hpp"
 #include "opencv2/imgproc/imgproc_c.h"
 
+#include <stdio.h>
 
 void help()
 {
diff --git a/samples/c/one_way_sample.cpp b/samples/c/one_way_sample.cpp
index 476be225b9..8907cbfde4 100644
--- a/samples/c/one_way_sample.cpp
+++ b/samples/c/one_way_sample.cpp
@@ -13,6 +13,8 @@
 #include "opencv2/imgproc/imgproc_c.h"
 
 #include <string>
+#include <stdio.h>
+
 void help()
 {
 	printf("\nThis program demonstrates the one way interest point descriptor found in features2d.hpp\n"
diff --git a/samples/cpp/calibration_artificial.cpp b/samples/cpp/calibration_artificial.cpp
index 2f683ffb70..9952ff18ab 100644
--- a/samples/cpp/calibration_artificial.cpp
+++ b/samples/cpp/calibration_artificial.cpp
@@ -1,14 +1,16 @@
-#include <iostream>
-#include <vector>
-#include <algorithm>
-#include <iterator>
-
 #include "opencv2/calib3d/calib3d.hpp"
 #include "opencv2/imgproc/imgproc.hpp"
 #include "opencv2/highgui/highgui.hpp"
 
+#include <iostream>
+#include <vector>
+#include <algorithm>
+#include <iterator>
+#include <stdio.h>
+
 using namespace cv;
 using namespace std;
+
 void help()
 {
     printf( "\nThis code generates an artificial camera and artificial chessboard images,\n"