diff --git a/tests/test_three_corners.py b/tests/test_three_corners.py
index 1169be12790279fffebab2502cbea72e01f7117f..1e3fb938e911061e2a5e741c619f9d86e7454a00 100644
--- a/tests/test_three_corners.py
+++ b/tests/test_three_corners.py
@@ -10,20 +10,18 @@ def test_three_straight_corners_1():
     shape = (240, 200, 3)
     corner_markers = [(50, 50), (120, 50), (50, 200)]
 
-    top_left, corner_markers = fix_corner_markers(corner_markers, shape)
+    corner_markers = fix_corner_markers(corner_markers, shape)
 
     assert (120, 200) in corner_markers
-    assert top_left == (50, 50)
 
 
 def test_three_straight_corners_2():
     shape = (240, 200, 3)
     corner_markers = [(120, 50), (50, 200), (120, 200)]
 
-    top_left, corner_markers = fix_corner_markers(corner_markers, shape)
+    corner_markers = fix_corner_markers(corner_markers, shape)
 
     assert (50, 50) in corner_markers
-    assert top_left == (50, 50)
 
 
 def test_pdf(datadir):
@@ -48,8 +46,8 @@ def test_pdf(datadir):
     diff = [corner for corner in corners1 if corner not in corners2]
     diff_marker = min(diff)
 
-    _, fixed_corners2 = fix_corner_markers(corners2, page_img.shape)
-    added_marker = [corner for corner in fixed_corners2 if corner not in corners2][0]
+    fixed_corners2 = fix_corner_markers(corners2, page_img.shape)
+    added_marker = [corner for corner in fixed_corners2 if corner not in corners1][0]
 
     # Check if 'inferred' corner marker is not too far away
     dist = np.linalg.norm(np.subtract(added_marker, diff_marker))