diff --git a/lib/utils/DecisionUtil.js b/lib/utils/DecisionUtil.js
index 9dbb94a..c4a66ea 100644
--- a/lib/utils/DecisionUtil.js
+++ b/lib/utils/DecisionUtil.js
@@ -1013,7 +1013,7 @@ let DecisionUtil = {
   ) {
     // normalise the weights of all the shortlisted campaigns
     shortlistedCampaigns.forEach(campaign => {
-      campaign.weight = Math.floor(100 / shortlistedCampaigns.length);
+      campaign.weight = Math.ceil((100 / shortlistedCampaigns.length) * 10) / 10;
     });
 
     // re-distribute the traffic for each camapign