diff --git a/modules/imgproc/src/phasecorr.cpp b/modules/imgproc/src/phasecorr.cpp
index 9db436673c..dadc3a3da7 100644
--- a/modules/imgproc/src/phasecorr.cpp
+++ b/modules/imgproc/src/phasecorr.cpp
@@ -613,7 +613,7 @@ void cv::createHanningWindow(OutputArray _dst, cv::Size winSize, int type)
     AutoBuffer<double> _wc(cols);
     double* const wc = _wc.data();
 
-    double coeff0 = 2.0 * CV_PI / (double)(cols - 1), coeff1 = 2.0f * CV_PI / (double)(rows - 1);
+    double coeff0 = 2.0 * CV_PI / (double)(cols - 1), coeff1 = 2.0 * CV_PI / (double)(rows - 1);
     for(int j = 0; j < cols; j++)
         wc[j] = 0.5 * (1.0 - cos(coeff0 * j));