diff --git a/doc/py_tutorials/py_calib3d/py_epipolar_geometry/py_epipolar_geometry.markdown b/doc/py_tutorials/py_calib3d/py_epipolar_geometry/py_epipolar_geometry.markdown
index 0b63515c53..432773d3b2 100644
--- a/doc/py_tutorials/py_calib3d/py_epipolar_geometry/py_epipolar_geometry.markdown
+++ b/doc/py_tutorials/py_calib3d/py_epipolar_geometry/py_epipolar_geometry.markdown
@@ -86,7 +86,7 @@ kp1, des1 = sift.detectAndCompute(img1,None)
 kp2, des2 = sift.detectAndCompute(img2,None)
 
 # FLANN parameters
-FLANN_INDEX_KDTREE = 0
+FLANN_INDEX_KDTREE = 1
 index_params = dict(algorithm = FLANN_INDEX_KDTREE, trees = 5)
 search_params = dict(checks=50)