diff --git a/stages/org.osbuild.greenboot b/stages/org.osbuild.greenboot
index d1af0448..2aaa63b2 100755
--- a/stages/org.osbuild.greenboot
+++ b/stages/org.osbuild.greenboot
@@ -65,13 +65,13 @@ def main(tree, options):
                 svcs = current.strip('\"\n').split(" ")
                 new_svcs = [ns for ns in value if ns not in svcs]
                 new_svcs.extend(svcs)
-                # pylint: disable=consider-using-f-string
-                sys.stdout.write('GREENBOOT_MONITOR_SERVICES="{0}"\n'.format(" ".join(new_svcs)))
+                svcs_str = " ".join(new_svcs)
+                sys.stdout.write(f"GREENBOOT_MONITOR_SERVICES=\"{svcs_str}\"\n")
     with open(config_file, "a", encoding="utf8") as f:
         for key, value in changes.items():
             if key == "monitor_services":
-                # pylint: disable=consider-using-f-string
-                f.write('GREENBOOT_MONITOR_SERVICES="{0}"\n'.format(" ".join(value)))
+                svcs_str = " ".join(value)
+                f.write(f"GREENBOOT_MONITOR_SERVICES=\"{svcs_str}\"\n")
 
     return 0