diff --git a/src/rezplugins/shell/_utils/powershell_base.py b/src/rezplugins/shell/_utils/powershell_base.py
index c5a04f24f..475e5f7c5 100644
--- a/src/rezplugins/shell/_utils/powershell_base.py
+++ b/src/rezplugins/shell/_utils/powershell_base.py
@@ -93,7 +93,7 @@ def get_syspaths(cls):
 
         for cmd in cmds:
             p = Popen(cmd, stdout=PIPE, stderr=PIPE,
-                      shell=True, text=True)
+                      text=True)
             out_, _ = p.communicate()
             out_ = out_.strip()