diff --git a/yaml/demo_visual_odometry_euroc.yaml b/yaml/demo_visual_odometry_euroc.yaml
index 75f2d40321a63e4e094322f7eab4a8209d43a94e..d9aec451a229f13900f682f6bd79189a2dae6d8b 100644
--- a/yaml/demo_visual_odometry_euroc.yaml
+++ b/yaml/demo_visual_odometry_euroc.yaml
@@ -80,6 +80,7 @@ config:
       type: "PublisherVisionDebug"
       processor_name: "VISUALODOMETRY PROC"
       topic: "/debug_image"
+      topic_preprocessor: "/debug_image_preprocessor"
       package: "wolf_ros_vision"
       period: 0.25
       tracks: