diff --git a/news/6318.bugfix.rst b/news/6318.bugfix.rst
new file mode 100644
index 0000000000..01e1bf855c
--- /dev/null
+++ b/news/6318.bugfix.rst
@@ -0,0 +1 @@
+Running "pipenv shell" on MacOS in Powershell (pwsh) references incorrect Activate.ps1
diff --git a/pipenv/shells.py b/pipenv/shells.py
index 70938a1f35..888cec7bea 100644
--- a/pipenv/shells.py
+++ b/pipenv/shells.py
@@ -61,7 +61,7 @@ def _get_activate_script(cmd, venv):
 
     if suffix == "nu":
         return f"overlay use {venv_location}"
-    elif suffix == ".ps1":
+    elif suffix == ".ps1" and os.name == "nt":
         return f". {venv_location}\\Scripts\\Activate.{suffix}"
 
     # The leading space can make history cleaner in some shells.