diff --git a/lib/ansible/modules/extras/messaging/rabbitmq_parameter.py b/lib/ansible/modules/extras/messaging/rabbitmq_parameter.py
index 6be18bdce3d..60b9811a9cb 100644
--- a/lib/ansible/modules/extras/messaging/rabbitmq_parameter.py
+++ b/lib/ansible/modules/extras/messaging/rabbitmq_parameter.py
@@ -126,6 +126,8 @@ def main():
     component = module.params['component']
     name = module.params['name']
     value = module.params['value']
+    if not isinstance(value, str):
+        value = json.dumps(value)
     vhost = module.params['vhost']
     state = module.params['state']
     node = module.params['node']