diff --git a/src/data/csv_to_geojson.py b/src/data/csv_to_geojson.py
index 301f419..e7ca651 100644
--- a/src/data/csv_to_geojson.py
+++ b/src/data/csv_to_geojson.py
@@ -76,7 +76,8 @@ def R_high_to_geojson(sites_csv, profiles_csv, crest_toes_csv, impacts_csv, outp
 
             # Take the intersection closest to the dune face.
             try:
-                dune_face_x = np.mean(df_crest_toes.loc[(site_id, "prestorm"), :].x)
+                x_cols = [x for x in df_crest_toes.columns if '_x' in x]
+                dune_face_x = np.mean(df_crest_toes.loc[(site_id, "prestorm"),x_cols].tolist())
                 int_x = min(int_x, key=lambda x: abs(x - dune_face_x))
             except:
                 continue