diff --git a/aip_x2_launch/config/blockage_diagnostics_param_file.yaml b/aip_x2_launch/config/blockage_diagnostics_param_file.yaml
index b8b62b50..c6ce8e11 100644
--- a/aip_x2_launch/config/blockage_diagnostics_param_file.yaml
+++ b/aip_x2_launch/config/blockage_diagnostics_param_file.yaml
@@ -9,3 +9,4 @@
     dust_kernel_size: 2
     dust_buffering_frames: 10
     dust_buffering_interval: 1
+    blockage_kernel: 10