diff --git a/tests/test_e2e_ocr_conversion.py b/tests/test_e2e_ocr_conversion.py
index 16e50146..77e6fac1 100644
--- a/tests/test_e2e_ocr_conversion.py
+++ b/tests/test_e2e_ocr_conversion.py
@@ -2,6 +2,10 @@ import sys
 from pathlib import Path
 from typing import List, Tuple
 
+from docling.backend.docling_parse_backend import DoclingParseDocumentBackend
+from docling.backend.docling_parse_v2_backend import DoclingParseV2DocumentBackend
+from docling.backend.docling_parse_v4_backend import DoclingParseV4DocumentBackend
+from docling.backend.pypdfium2_backend import PyPdfiumDocumentBackend
 from docling.datamodel.accelerator_options import AcceleratorDevice
 from docling.datamodel.base_models import InputFormat
 from docling.datamodel.document import ConversionResult
@@ -43,7 +47,7 @@ def get_converter(ocr_options: OcrOptions):
         format_options={
             InputFormat.PDF: PdfFormatOption(
                 pipeline_options=pipeline_options,
-                backend=PdfFormatOption().backend,
+                backend=DoclingParseDocumentBackend,  # PdfFormatOption().backend,
             )
         }
     )