diff --git a/tests/__init__.py b/tests/__init__.py
index 8fc7302..4f57536 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -8,7 +8,7 @@ sys.dangerzone_dev = True  # type: ignore[attr-defined]
 from dangerzone.document import SAFE_EXTENSION
 
 SAMPLE_DIRECTORY = "test_docs"
-BASIC_SAMPLE = "sample.pdf"
+BASIC_SAMPLE = "sample-pdf.pdf"
 test_docs_dir = Path(__file__).parent.joinpath(SAMPLE_DIRECTORY)
 test_docs = [
     p
diff --git a/tests/test_docs/sample.doc b/tests/test_docs/sample-doc.doc
similarity index 100%
rename from tests/test_docs/sample.doc
rename to tests/test_docs/sample-doc.doc
diff --git a/tests/test_docs/sample.docm b/tests/test_docs/sample-docm.docm
similarity index 100%
rename from tests/test_docs/sample.docm
rename to tests/test_docs/sample-docm.docm
diff --git a/tests/test_docs/sample.docx b/tests/test_docs/sample-docx.docx
similarity index 100%
rename from tests/test_docs/sample.docx
rename to tests/test_docs/sample-docx.docx
diff --git a/tests/test_docs/sample.gif b/tests/test_docs/sample-gif.gif
similarity index 100%
rename from tests/test_docs/sample.gif
rename to tests/test_docs/sample-gif.gif
diff --git a/tests/test_docs/sample.jpg b/tests/test_docs/sample-jpg.jpg
similarity index 100%
rename from tests/test_docs/sample.jpg
rename to tests/test_docs/sample-jpg.jpg
diff --git a/tests/test_docs/sample.odg b/tests/test_docs/sample-odg.odg
similarity index 100%
rename from tests/test_docs/sample.odg
rename to tests/test_docs/sample-odg.odg
diff --git a/tests/test_docs/sample.odp b/tests/test_docs/sample-odp.odp
similarity index 100%
rename from tests/test_docs/sample.odp
rename to tests/test_docs/sample-odp.odp
diff --git a/tests/test_docs/sample.ods b/tests/test_docs/sample-ods.ods
similarity index 100%
rename from tests/test_docs/sample.ods
rename to tests/test_docs/sample-ods.ods
diff --git a/tests/test_docs/sample.odt b/tests/test_docs/sample-odt.odt
similarity index 100%
rename from tests/test_docs/sample.odt
rename to tests/test_docs/sample-odt.odt
diff --git a/tests/test_docs/sample.pdf b/tests/test_docs/sample-pdf.pdf
similarity index 100%
rename from tests/test_docs/sample.pdf
rename to tests/test_docs/sample-pdf.pdf
diff --git a/tests/test_docs/sample.png b/tests/test_docs/sample-png.png
similarity index 100%
rename from tests/test_docs/sample.png
rename to tests/test_docs/sample-png.png
diff --git a/tests/test_docs/sample.ppt b/tests/test_docs/sample-ppt.ppt
similarity index 100%
rename from tests/test_docs/sample.ppt
rename to tests/test_docs/sample-ppt.ppt
diff --git a/tests/test_docs/sample.pptx b/tests/test_docs/sample-pptx.pptx
similarity index 100%
rename from tests/test_docs/sample.pptx
rename to tests/test_docs/sample-pptx.pptx
diff --git a/tests/test_docs/sample.xls b/tests/test_docs/sample-xls.xls
similarity index 100%
rename from tests/test_docs/sample.xls
rename to tests/test_docs/sample-xls.xls
diff --git a/tests/test_docs/sample.xlsx b/tests/test_docs/sample-xlsx.xlsx
similarity index 100%
rename from tests/test_docs/sample.xlsx
rename to tests/test_docs/sample-xlsx.xlsx