diff --git a/warden3/contrib/connectors/hp-labrea/labrea-idea.py b/warden3/contrib/connectors/hp-labrea/labrea-idea.py
index e7b2cdc5fa272dc45a2e3fe264ae04ff27530c00..a3b7866bf3a7612c1ea230e066da85a24d9a248b 100755
--- a/warden3/contrib/connectors/hp-labrea/labrea-idea.py
+++ b/warden3/contrib/connectors/hp-labrea/labrea-idea.py
@@ -314,7 +314,7 @@ class IdeaGen(object):
         idea = {
             "Format": "IDEA0",
             "ID": str(uuid.uuid4()),
-            "Category": tmpl["category"] + ["Test"] if self.test else [],
+            "Category": tmpl["category"] + (["Test"] if self.test else []),
             "Description": tmpl["description"],
             "DetectTime": self.format_timestamp(detect_time),
             "EventTime": self.format_timestamp(event_time),