diff --git a/y2017/vision/debug_viewer.cc b/y2017/vision/debug_viewer.cc
index 83f306f..10dd57e 100644
--- a/y2017/vision/debug_viewer.cc
+++ b/y2017/vision/debug_viewer.cc
@@ -125,5 +125,6 @@
 
 int main(int argc, char **argv) {
   y2017::vision::FilterHarnessExample filter_harness;
-  aos::vision::DebugFrameworkMain(argc, argv, &filter_harness);
+  aos::vision::DebugFrameworkMain(argc, argv, &filter_harness,
+                                  aos::vision::CameraParams());
 }