diff --git a/src/ocrmypdf/optimize.py b/src/ocrmypdf/optimize.py
index 3fa92355..05057d5c 100644
--- a/src/ocrmypdf/optimize.py
+++ b/src/ocrmypdf/optimize.py
@@ -76,6 +76,9 @@ def extract_image_filter(
     if image.Length < 100:
         log.debug(f"Skipping small image, xref {xref}")
         return None
+    if image.Width < 8 or image.Height < 8:  # Issue 732
+        log.debug(f"Skipping oddly sized image, xref {xref}")
+        return None
 
     pim = PdfImage(image)