diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index 42037d0a172d781cad13446cb2eff72e47bd3e32..07025cb2c42a05f9cb606df95f395151adfa7414 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -1288,7 +1288,7 @@ def apply_qc_icing_pireps(icing_alt, cld_top_hgt, cld_geo_dz, cld_phase, cld_opd
         if med_cld_tmp > 274.5:
             continue
 
-        if icing_alt < med_cld_hgt - max_cld_depth:
+        if icing_alt[i] < med_cld_hgt - max_cld_depth:
             continue
 
         mask.append(keep)
@@ -1364,7 +1364,7 @@ def apply_qc_no_icing_pireps(icing_alt, cld_top_hgt, cld_geo_dz, cld_phase, cld_
         if med_cld_tmp > 274.5:
             continue
 
-        if icing_alt < med_cld_hgt - max_cld_depth:
+        if icing_alt[i] < med_cld_hgt - max_cld_depth:
             continue
 
         mask.append(keep)