diff --git a/samples/cpp/dft.cpp b/samples/cpp/dft.cpp
index 1c714bca38..d5984bd668 100644
--- a/samples/cpp/dft.cpp
+++ b/samples/cpp/dft.cpp
@@ -5,6 +5,7 @@
 #include <iostream>
 using namespace cv;
 using namespace std;
+
 void help()
 {
 	cout << "\nThis program demonstrated the use of the discrete Fourier transform (dft)\n"