diff --git a/val_sim.py b/val_sim.py
index 1347b4e352dba4eccf84d7a00d8b4a83e8cb22d5..347059771cb35bea69f16c5fec9e6593a66a7b9a 100644
--- a/val_sim.py
+++ b/val_sim.py
@@ -27,4 +27,4 @@ output = {
 
 # Print result as JSON
 print("Content-Type: application/json\n")
-print(json.dumps(output))
+return output