diff --git a/src/ocrmypdf/_pipeline.py b/src/ocrmypdf/_pipeline.py
index eef05497..ff4e60dc 100644
--- a/src/ocrmypdf/_pipeline.py
+++ b/src/ocrmypdf/_pipeline.py
@@ -593,9 +593,9 @@ def select_ocr_image(
             bbox = textarea
             xscale, yscale = float(xres) / 72.0, float(yres) / 72.0
             pixcoords = [bbox[0] * xscale,
-                         im.height - bbox[1] * yscale,
+                         im.height - bbox[3] * yscale,
                          bbox[2] * xscale,
-                         im.height - bbox[3] * yscale]
+                         im.height - bbox[1] * yscale]
             pixcoords = [int(round(c)) for c in pixcoords]
             log.debug('blanking %r', pixcoords)
             draw.rectangle(pixcoords, fill=white)