diff --git a/test/unit_tests/image_stitcher_test.py b/test/unit_tests/image_stitcher_test.py
index 6555e1d..6dd4825 100644
--- a/test/unit_tests/image_stitcher_test.py
+++ b/test/unit_tests/image_stitcher_test.py
@@ -17,10 +17,10 @@ def test_image_stitcher(partial_image_metadata_pairs):
     pass
 
 
-@pytest.mark.parametrize("width", [100])
-@pytest.mark.parametrize("height", [300])
-@pytest.mark.parametrize("page_width", [500])
-@pytest.mark.parametrize("page_height", [500])
+@pytest.mark.parametrize("width", [160])
+@pytest.mark.parametrize("height", [90])
+@pytest.mark.parametrize("page_width", [int(160 * 1.1)])
+@pytest.mark.parametrize("page_height", [int(90 * 1.1)])
 def test_partial_image_metadata_pairs(patches_metadata, page_width, page_height):
 
     pdf = fpdf.FPDF(unit="pt", format=(page_width, page_height))
@@ -32,7 +32,7 @@ def test_partial_image_metadata_pairs(patches_metadata, page_width, page_height)
     pdf.output("/tmp/bla.pdf")
 
 
-def split_box(box, max_step=5):
+def split_box(box, max_step=3):
     def split_recursively(box, step):
         def split_horizontal():
             return split(Info.WIDTH, Info.X1, Info.X2)