diff --git a/src/poetry/core/vcs/__init__.py b/src/poetry/core/vcs/__init__.py
index 2c2322053..3afa1de31 100644
--- a/src/poetry/core/vcs/__init__.py
+++ b/src/poetry/core/vcs/__init__.py
@@ -30,6 +30,7 @@ def get_vcs(directory: Path) -> Git | None:
                 [executable(), "rev-parse", "--show-toplevel"],
                 stderr=subprocess.STDOUT,
                 text=True,
+                encoding="utf-8",
             ).strip()
 
             vcs = Git(Path(git_dir))
diff --git a/tests/vcs/test_vcs.py b/tests/vcs/test_vcs.py
index 4fdbc5814..c76c0a7fb 100644
--- a/tests/vcs/test_vcs.py
+++ b/tests/vcs/test_vcs.py
@@ -15,12 +15,22 @@
 from poetry.core.vcs.git import GitUrl
 from poetry.core.vcs.git import ParsedUrl
 from poetry.core.vcs.git import _reset_executable
+from poetry.core.vcs.git import executable
 
 
 if TYPE_CHECKING:
     from pytest_mock import MockerFixture
 
 
+@pytest.fixture
+def reset_git() -> None:
+    _reset_executable()
+    try:
+        yield
+    finally:
+        _reset_executable()
+
+
 @pytest.mark.parametrize(
     "url, normalized",
     [
@@ -437,15 +447,12 @@ def test_git_rev_parse_raises_error_on_invalid_repository() -> None:
         " reasons"
     ),
 )
-def test_ensure_absolute_path_to_git(mocker: MockerFixture) -> None:
-    _reset_executable()
-
+def test_ensure_absolute_path_to_git(reset_git: None, mocker: MockerFixture) -> None:
     def checkout_output(cmd: list[str], *args: Any, **kwargs: Any) -> str | bytes:
         if Path(cmd[0]).name == "where.exe":
-            return "\n".join([
-                str(Path.cwd().joinpath("git.exe")),
-                "C:\\Git\\cmd\\git.exe",
-            ])
+            return "\n".join(
+                [str(Path.cwd().joinpath("git.exe")), r"C:\Git\cmd\git.exe"]
+            )
 
         return b""
 
@@ -453,20 +460,8 @@ def checkout_output(cmd: list[str], *args: Any, **kwargs: Any) -> str | bytes:
 
     Git().run("config")
 
-    assert mock.call_args_list[-1][0][0] == [
-        "C:\\Git\\cmd\\git.exe",
-        "config",
-    ]
-
+    assert mock.call_args_list[-1][0][0] == [r"C:\Git\cmd\git.exe", "config"]
 
-@pytest.mark.skipif(
-    not WINDOWS,
-    reason=(
-        "Retrieving the complete path to git is only necessary on Windows, for security"
-        " reasons"
-    ),
-)
-def test_ensure_existing_git_executable_is_found(mocker: MockerFixture) -> None:
     mock = mocker.patch.object(subprocess, "check_output", return_value=b"")
 
     Git().run("config")
@@ -474,14 +469,13 @@ def test_ensure_existing_git_executable_is_found(mocker: MockerFixture) -> None:
     cmd = Path(mock.call_args_list[-1][0][0][0])
 
     assert cmd.is_absolute()
-    assert cmd.name == "git.exe"
 
 
 def test_get_vcs_encoding(tmp_path: Path) -> None:
     repo_path = tmp_path / "répö"
     repo_path.mkdir()
     assert repo_path.exists()
-    assert subprocess.check_call(["git", "init"], cwd=repo_path) == 0
+    assert subprocess.check_call([executable(), "init"], cwd=repo_path) == 0
     vcs = get_vcs(repo_path)
     assert vcs is not None
     assert vcs._work_dir is not None