diff --git a/src/slurmhelpers/models.py b/src/slurmhelpers/models.py
index 4be2a68..99b7254 100644
--- a/src/slurmhelpers/models.py
+++ b/src/slurmhelpers/models.py
@@ -166,7 +166,7 @@ def generate_key(self) -> None:
         """
         logging.info("Generating new secret file for service `munged`.")
         try:
-            subprocess.check_output(["mungectl", "generate"])
+            subprocess.check_output(["mungectl", "key", "generate"])
         except subprocess.CalledProcessError:
             logging.fatal("Failed to generate a new munge key")
             raise