diff --git a/src/rezplugins/shell/_utils/powershell_base.py b/src/rezplugins/shell/_utils/powershell_base.py
index f059bb248..9f1d7049d 100644
--- a/src/rezplugins/shell/_utils/powershell_base.py
+++ b/src/rezplugins/shell/_utils/powershell_base.py
@@ -297,7 +297,7 @@ def alias(self, key, value):
         # TODO: Find a way to properly escape paths in alias() calls that also
         # contain args
         #
-        cmd = "function %s() { %s @args }" % (key, value)
+        cmd = "function %s { & %s @args }" % (key, value)
         self._addline(cmd)
 
     def comment(self, value):