diff --git a/docs/getting_started.md b/docs/getting_started.md
index 3008a19..84ed891 100644
--- a/docs/getting_started.md
+++ b/docs/getting_started.md
@@ -510,7 +510,7 @@
     psa_set_key_policy(slot, &policy);
 
     /* Generate a key */
-    psa_generate_key(slot, PSA_KEY_TYPE_AES, bits, NULL, 0);
+    psa_generate_key(slot, PSA_KEY_TYPE_AES, bits);
 
     psa_export_key(slot, exported, exported_size, &exported_length)