diff --git a/webdriver/tests/support/fixtures_bidi.py b/webdriver/tests/support/fixtures_bidi.py
index 3320f7d99a601e..c83e948d27635f 100644
--- a/webdriver/tests/support/fixtures_bidi.py
+++ b/webdriver/tests/support/fixtures_bidi.py
@@ -208,8 +208,8 @@ async def assert_pdf_dimensions(pdf, expected_dimensions):
         png = await render_pdf_to_png_bidi(pdf)
         width, height = png_dimensions(png)
 
-        assert floor(cm_to_px(expected_dimensions["height"])) == height
-        assert floor(cm_to_px(expected_dimensions["width"])) == width
+        assert height in [floor(cm_to_px(expected_dimensions["height"])), round(cm_to_px(expected_dimensions["height"]))]
+        assert width in [floor(cm_to_px(expected_dimensions["width"])), round(cm_to_px(expected_dimensions["width"]))]
 
     return assert_pdf_dimensions