diff --git a/modules/aeolus/aeolus_amv.py b/modules/aeolus/aeolus_amv.py
index d2e835cdde33eade3565efd1910f8f0fafeee422..abd8f2ec12e38f0442bb34909291110d05c61adc 100644
--- a/modules/aeolus/aeolus_amv.py
+++ b/modules/aeolus/aeolus_amv.py
@@ -418,8 +418,8 @@ def create_file(filename, aeolus_to_amv_dct, aeolus_dct):
         prf_spd[i_c:i_d] = prof[:, 6]
         i_c += nlevs
 
-        prf_lat[idx] = prof[0, 0]
-        prf_lon[idx] = prof[0, 1]
+        prf_lat[idx::] = prof[0, 0]
+        prf_lon[idx::] = prof[0, 1]
 
     num_amvs_per_prof[:] = num_amvs
     num_levs_per_prof[:] = num_levs