diff --git a/src/_pytest/config/compat.py b/src/_pytest/config/compat.py
index 67d1b9ec5..8f82dd9f9 100644
--- a/src/_pytest/config/compat.py
+++ b/src/_pytest/config/compat.py
@@ -14,7 +14,7 @@ imply_paths_hooks = {
     "pytest_collect_file": ("file_path", "path"),
     "pytest_pycollect_makemodule": ("module_path", "path"),
     "pytest_report_header": ("start_path", "startdir"),
-    "pytest_report_collectionfinish": ("startpath", "startdir"),
+    "pytest_report_collectionfinish": ("start_path", "startdir"),
 }
 
 
diff --git a/src/_pytest/hookspec.py b/src/_pytest/hookspec.py
index 09e2afd15..b65be9815 100644
--- a/src/_pytest/hookspec.py
+++ b/src/_pytest/hookspec.py
@@ -704,7 +704,7 @@ def pytest_report_header(
 
 def pytest_report_collectionfinish(
     config: "Config",
-    startpath: Path,
+    start_path: Path,
     startdir: "LEGACY_PATH",
     items: Sequence["Item"],
 ) -> Union[str, List[str]]:
@@ -716,7 +716,7 @@ def pytest_report_collectionfinish(
     .. versionadded:: 3.2
 
     :param pytest.Config config: The pytest config object.
-    :param Path startpath: The starting dir.
+    :param Path start_path: The starting dir.
     :param LEGACY_PATH startdir: The starting dir (deprecated).
     :param items: List of pytest items that are going to be executed; this list should not be modified.
 
@@ -728,7 +728,7 @@ def pytest_report_collectionfinish(
         :ref:`trylast=True <plugin-hookorder>`.
 
     .. versionchanged:: 7.0.0
-        The ``startpath`` parameter was added as a :class:`pathlib.Path`
+        The ``start_path`` parameter was added as a :class:`pathlib.Path`
         equivalent of the ``startdir`` parameter. The ``startdir`` parameter
         has been deprecated.
     """
diff --git a/src/_pytest/terminal.py b/src/_pytest/terminal.py
index 990e8a400..ccbd84d7d 100644
--- a/src/_pytest/terminal.py
+++ b/src/_pytest/terminal.py
@@ -738,7 +738,7 @@ class TerminalReporter:
 
         lines = self.config.hook.pytest_report_collectionfinish(
             config=self.config,
-            startpath=self.startpath,
+            start_path=self.startpath,
             items=session.items,
         )
         self._write_report_lines_from_hooks(lines)
diff --git a/testing/test_terminal.py b/testing/test_terminal.py
index c1f0921fd..23f597e33 100644
--- a/testing/test_terminal.py
+++ b/testing/test_terminal.py
@@ -1035,7 +1035,7 @@ class TestTerminalFunctional:
     def test_report_collectionfinish_hook(self, pytester: Pytester, params) -> None:
         pytester.makeconftest(
             """
-            def pytest_report_collectionfinish(config, startpath, items):
+            def pytest_report_collectionfinish(config, start_path, items):
                 return [f'hello from hook: {len(items)} items']
         """
         )