diff --git a/pre_commit/languages/node.py b/pre_commit/languages/node.py
index 66d6136..e3f1bac 100644
--- a/pre_commit/languages/node.py
+++ b/pre_commit/languages/node.py
@@ -83,7 +83,7 @@ def install_environment(
     # https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx?f=255&MSPPError=-2147217396#maxpath
     if sys.platform == 'win32':  # pragma: no cover
         envdir = fr'\\?\{os.path.normpath(envdir)}'
-    cmd = [sys.executable, '-mnodeenv', '--prebuilt', '--clean-src', envdir]
+    cmd = ['@nodeenv@/bin/nodeenv', '--prebuilt', '--clean-src', envdir]
     if version != C.DEFAULT:
         cmd.extend(['-n', version])
     cmd_output_b(*cmd)
diff --git a/pre_commit/languages/python.py b/pre_commit/languages/python.py
index 976674e..485fe2d 100644
--- a/pre_commit/languages/python.py
+++ b/pre_commit/languages/python.py
@@ -203,7 +203,7 @@ def install_environment(
         additional_dependencies: Sequence[str],
 ) -> None:
     envdir = lang_base.environment_dir(prefix, ENVIRONMENT_DIR, version)
-    venv_cmd = [sys.executable, '-mvirtualenv', envdir]
+    venv_cmd = ['@virtualenv@/bin/virtualenv', envdir]
     python = norm_version(version)
     if python is not None:
         venv_cmd.extend(('-p', python))