diff --git a/tests/test_desktop_update_windows_python_handoff.py b/tests/test_desktop_update_windows_python_handoff.py
index 08ae08dde3..5a2739641f 100644
--- a/tests/test_desktop_update_windows_python_handoff.py
+++ b/tests/test_desktop_update_windows_python_handoff.py
@@ -37,7 +37,10 @@ WINDOWS_PS1 = REPO_ROOT / "scripts" / "desktop-update" / "windows.ps1"
 
 
 def _read() -> str:
-    return WINDOWS_PS1.read_text(encoding="utf-8")
+    # windows.ps1 is eol=crlf in .gitattributes, so checkouts materialize
+    # CRLF on disk (CI included). Normalize so the SelfTest-block strip's
+    # `\n}\n` anchors match regardless of the working-copy line endings.
+    return WINDOWS_PS1.read_text(encoding="utf-8").replace("\r\n", "\n")
 
 
 def _handoff_source() -> str: