diff --git a/mpsd-software.py b/mpsd-software.py
index ef84937429a3bacde7eaab760f217c0a1be01a73..4b6203ddeede05eebadfec59a2323c74a836cd54 100755
--- a/mpsd-software.py
+++ b/mpsd-software.py
@@ -980,7 +980,7 @@ def install_environment(
             )
 
 
-def remove_environment(mpsd_release, root_dir, package_sets='NONE', force=False):
+def remove_environment(mpsd_release, root_dir, package_sets="NONE", force=False):
     """Remove release from installation."""
     msg = (
         f"Removing release {mpsd_release}"
@@ -1197,7 +1197,7 @@ def main():
 
     # Check the command and run related function
     if args.action == "remove":
-        remove_environment(args.release, root_dir,args.package_set)
+        remove_environment(args.release, root_dir, args.package_set)
     elif args.action == "start-new":
         start_new_environment(args.from_release, args.to_release, root_dir)
     elif args.action == "install":