diff --git a/lib/cumulate.jq b/lib/cumulate.jq
index 017fddf..1cd1980 100644
--- a/lib/cumulate.jq
+++ b/lib/cumulate.jq
@@ -1,3 +1,4 @@
+def round: . + 0.5 | floor;
 def roundit: .*100.0|round/100.0;
 [foreach .[] as $row ({nbrMembers: 0, nbrWallets: 0, sMembers: 0, rMembers: 0, sWallets: 0, rWallets: 0};
     {