diff --git a/plugins/modules/portainer_stack.py b/plugins/modules/portainer_stack.py
index 60db200..85ebb1d 100644
--- a/plugins/modules/portainer_stack.py
+++ b/plugins/modules/portainer_stack.py
@@ -171,8 +171,7 @@ def handle_state_present(client, module):
         with open(module.params["docker_compose_file_path"]) as f:
             contents = f.read()
     elif module.params.get("stack_definition"):
-        json_obj = json.loads(module.params["stack_definition"])
-        contents = json.dumps(json_obj, indent=4)
+        contents = json.dumps(module.params["stack_definition"], indent=4)
     else:
         raise ValueError("Should not be able to be here!")