diff --git a/modules/amv/caliop_clavrx_amv.py b/modules/amv/caliop_clavrx_amv.py
index 7b817e69fa05b6e0250e636e56f169af62d642cc..d968c8621243c24376a7887e69b24a71e8e19048 100644
--- a/modules/amv/caliop_clavrx_amv.py
+++ b/modules/amv/caliop_clavrx_amv.py
@@ -394,7 +394,7 @@ def compute_and_add_geo_hgt(path_to_amvs, path_to_gfs, amv_source, band='14', ou
         alt_f = np.array(alt_f)
         alt_f = np.reshape(alt_f, [num_amvs, 1])
         amvs_nd = np.hstack([amvs_nd, alt_f])
-        new_amv_fname = os.path.split(fname)
+        new_amv_fname = os.path.split(fname)[1]
         np.savetxt(new_amv_fname, amvs_nd, header=new_header, delimiter=',')
         print('Done...')