diff --git a/src/img2pdf_test.py b/src/img2pdf_test.py
index 3cfdebf..a44cfe7 100755
--- a/src/img2pdf_test.py
+++ b/src/img2pdf_test.py
@@ -7146,11 +7146,9 @@ def test_general(general_input, engine):
         pass
 
 
-def test_return_engine_doc():
+def test_return_engine_doc(tmp_path_factory):
     inputf = os.path.join(os.path.dirname(__file__), "tests", "input", "normal.jpg")
-    outputf = os.path.join(
-        os.path.dirname(__file__), "tests", "output", "engine_normal.jpg.pdf"
-    )
+    outputf = tmp_path_factory.mktemp("return_engine_doc") / "normal.jpg.pdf"
     pdf, min_version = img2pdf.convert(inputf, return_engine_doc=True, engine=img2pdf.Engine.pikepdf)
     assert isinstance(pdf, pikepdf.Pdf)
     pdf.save(outputf, min_version=min_version, linearize=True)