diff --git a/pipeline/dags/greenhouse_xch4.py b/pipeline/dags/greenhouse_xch4.py
index 021b56706..407e829f7 100644
--- a/pipeline/dags/greenhouse_xch4.py
+++ b/pipeline/dags/greenhouse_xch4.py
@@ -17,7 +17,7 @@
     "zoom_levels": '0-2',
     "units": '',
     "basemap": None,
-    "legendValues": [
+    "legend_values": [
       "1825 ppm",
       "1800",
       "1775",