diff --git a/modules/amv/caliop_clavrx_amv.py b/modules/amv/caliop_clavrx_amv.py
index 55ff9da4edbe0bba4058790c39a75e75cb818ce3..e5bf04d11123bdb11b4c2a581e39f9c198362859 100644
--- a/modules/amv/caliop_clavrx_amv.py
+++ b/modules/amv/caliop_clavrx_amv.py
@@ -410,7 +410,7 @@ def compute_and_add_geo_hgt(path_to_amvs, path_to_gfs, amv_source, band='14', ou
         for k in range(num_amvs):
             amv_press = amvs_nd[k, amv_pres_idx]
             #alt = pressure_to_altitude(amv_press, None, gfs_press, temp_prof_s[k, :])
-            alt = pressure_to_altitude(amv_press, None, gfs_press, temp_prof_s[k, :], sfc_pres=sfc_press[k], sfc_temp=sfc_temp[k], sfc_hgt=sfc_hgt[k])
+            alt = pressure_to_altitude(amv_press, None, gfs_press, temp_prof_s[k, :], sfc_pres=sfc_press[k], sfc_temp=sfc_temp[k], sfc_elev=sfc_hgt[k])
             alt_s.append(alt)
             alt_f.append(alt)
             prs_s.append(amv_press)