diff --git a/ansible/tasks/gen_erl_cookie.yml b/ansible/tasks/gen_erl_cookie.yml
index e85563fd453..8a4141b8861 100644
--- a/ansible/tasks/gen_erl_cookie.yml
+++ b/ansible/tasks/gen_erl_cookie.yml
@@ -19,7 +19,7 @@
 # generate erlang cookie for CouchDB
 
 - name: "generate erlang cookie"
-  local_action: command openssl rand -base64 32op
+  local_action: command openssl rand -base64 32
   register: random_stdout
   run_once: true
   when: erlang_cookie is not defined