diff --git a/lib/ain-ocean/src/indexer/oracle.rs b/lib/ain-ocean/src/indexer/oracle.rs
index f251ce1a30..1e65935dfc 100644
--- a/lib/ain-ocean/src/indexer/oracle.rs
+++ b/lib/ain-ocean/src/indexer/oracle.rs
@@ -308,7 +308,9 @@ fn map_price_aggregated(
             let weighted_amount = Decimal::from(feed.amount)
                 .checked_mul(Decimal::from(oracle.weightage))
                 .context(ArithmeticOverflowSnafu)?;
-            aggregated_total += weighted_amount;
+            aggregated_total = aggregated_total
+                .checked_add(weighted_amount)
+                .context(ArithmeticOverflowSnafu)?;
         }
     }