diff --git a/y2017/constants.cc b/y2017/constants.cc
index 23d2af2..5892282 100644
--- a/y2017/constants.cc
+++ b/y2017/constants.cc
@@ -114,7 +114,7 @@
 
       r->down_error = 0;
       r->vision_name = "test";
-      r->vision_error = 0.0;
+      r->vision_error = -0.030;
       break;
 
     case kCompTeamNumber: