diff --git a/pyproject.toml b/pyproject.toml
index 27d6f1c..7ca2595 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -142,7 +142,7 @@ strict_bytes = false
 module = [
   "click_man.*",
   "djvu.*",
-  "ocrmypdf.*",
+  #"ocrmypdf.*",
   "pdfrw.*",
   "uv_build.*",
 ]
diff --git a/src/dpsprep/ocrmypdf_adapter.py b/src/dpsprep/ocrmypdf_adapter.py
index c88b2fa..6492c21 100644
--- a/src/dpsprep/ocrmypdf_adapter.py
+++ b/src/dpsprep/ocrmypdf_adapter.py
@@ -40,10 +40,12 @@ def run_ocrmypdf_optimizer(options: DpsPrepOptions) -> bool:
         jobs=options.pool_size,
         optimize=options.optlevel,
         # When set to 0, OCRmyPDF's "optimize" function attempts to adjust them
-        jpg_quality=quality or 0,
         png_quality=quality or 0,
     )
 
+    # Set jpg_quality via attribute (backwards-compatible setter) rather than constructor kwarg, since the kwarg differs across OMP versions.
+    omp_options.jpg_quality = quality or 0
+
     info = PdfInfo(workdir.combined_pdf_path)
     context = PdfContext(omp_options, workdir.ocrmypdf_tmp_path, workdir.combined_pdf_path, info, None)