diff --git a/samples/python/tutorial_code/imgProc/anisotropic_image_segmentation/anisotropic_image_segmentation.py b/samples/python/tutorial_code/imgProc/anisotropic_image_segmentation/anisotropic_image_segmentation.py
index a8a9ccb3cc..3a72ffebd1 100644
--- a/samples/python/tutorial_code/imgProc/anisotropic_image_segmentation/anisotropic_image_segmentation.py
+++ b/samples/python/tutorial_code/imgProc/anisotropic_image_segmentation/anisotropic_image_segmentation.py
@@ -74,7 +74,7 @@ imgCoherency, imgOrientation = calcGST(imgIn, W)
 
 ## [thresholding]
 _, imgCoherencyBin = cv.threshold(imgCoherency, C_Thr, 255, cv.THRESH_BINARY)
-_, imgOrientationBin = cv.threshold(imgOrientation, LowThr, HighThr, cv.THRESH_BINARY)
+imgOrientationBin = cv.inRange(imgOrientation, LowThr, HighThr)
 ## [thresholding]
 
 ## [combining]