diff --git a/src/openrct2/object/ObjectFactory.cpp b/src/openrct2/object/ObjectFactory.cpp
index 662bc07ce1..62df95e766 100644
--- a/src/openrct2/object/ObjectFactory.cpp
+++ b/src/openrct2/object/ObjectFactory.cpp
@@ -367,7 +367,9 @@ namespace ObjectFactory
             }
 
             auto fileDataRetriever = ZipDataRetriever(*archive);
-            return CreateObjectFromJson(objectRepository, jRoot, &fileDataRetriever);
+            Object* obj = CreateObjectFromJson(objectRepository, jRoot, &fileDataRetriever);
+            json_decref(jRoot);
+            return obj;
         }
         catch (const std::exception& e)
         {