diff --git a/lidar_pipeline/pipeline.py b/lidar_pipeline/pipeline.py
index 6c221fb..ec8f72c 100644
--- a/lidar_pipeline/pipeline.py
+++ b/lidar_pipeline/pipeline.py
@@ -87,8 +87,8 @@ VIZ_STEPS = [
     ('anomalies',  generate_anomalies),
     ('wavelet',    generate_wavelet),
     ('flow',       generate_flow),
-    ('rrim',       lambda d, b, v, r: generate_rrim(d, b, v, r)),
-    ('multi_hillshade', lambda d, b, v, r: generate_multi_hillshade(d, b, v, r)),
+    ('rrim',       lambda d, b, v, r, shared=None: generate_rrim(d, b, v, r, shared=shared)),
+    ('multi_hillshade', lambda d, b, v, r, shared=None: generate_multi_hillshade(d, b, v, r, shared=shared)),
     ('local_dominance', generate_local_dominance),
     ('ortho',      lambda d, b, v, r: generate_ign_overlay(
                     d, b, v, r,