diff --git a/inventory/get-billing.sh b/inventory/get-billing.sh
index 738bf4d..20b8cd4 100755
--- a/inventory/get-billing.sh
+++ b/inventory/get-billing.sh
@@ -34,7 +34,7 @@ grep ^BLEND setup/cost-usage.${lastmonth}_${nextmonth}.txt |\
 
 jq -c '.ResultsByTime[] | .Groups[] | [.Keys[0],.Metrics.UnblendedCost.Amount,.Metrics.BlendedCost.Amount,.Metrics.UsageQuantity.Amount] | @csv' \
     setup/cost-usage.${lastmonth}_${nextmonth}.json |\
-    sed -e 's/\\"//g' -e 's/"//g'|sort -t, -k 2 -nr \
+    sed -e 's/\\"//g' -e 's/"//g'|sort -t, -k 2,2 -nr \
     > setup/cost-usage.${lastmonth}_${nextmonth}.csv
 
 exit 0