diff --git a/src/js/components/award/shared/activity/ContractGrantActivityChart.jsx b/src/js/components/award/shared/activity/ContractGrantActivityChart.jsx
index 9dfa8f44c6..b1d78c3394 100644
--- a/src/js/components/award/shared/activity/ContractGrantActivityChart.jsx
+++ b/src/js/components/award/shared/activity/ContractGrantActivityChart.jsx
@@ -87,15 +87,17 @@ const ContractGrantsActivityChart = ({
         const clonedTransactions = cloneDeep(transactions);
         clonedTransactions.sort(
             (a, b) => a.running_obligation_total - b.running_obligation_total);
-        const yZero = clonedTransactions.length > 1 ?
-            clonedTransactions[0].running_obligation_total :
-            0;
-        let yOne = !clonedTransactions.length ?
-            0 :
-            totalObligation || clonedTransactions.pop().running_obligation_total;
-        // if any transaction is greater than the obligation
-        const transactionIsGreaterThanObligation = clonedTransactions.find((t) => t.running_obligation_total > totalObligation);
-        if (transactionIsGreaterThanObligation) yOne = transactionIsGreaterThanObligation.running_obligation_total;
+        const yZero = 0;
+        let yOne = 0;
+        if (clonedTransactions.length > 1) { // multiple transactions
+            // if the total obligation if bigger than any running obligation total, use total obligation
+            yOne = totalObligation > clonedTransactions[clonedTransactions.length - 1].running_obligation_total
+                ? totalObligation
+                : clonedTransactions[clonedTransactions.length - 1].running_obligation_total;
+        }
+        else { // one transaction
+            yOne = totalObligation || clonedTransactions[0];
+        }
         setYDomain([yZero, yOne]);
     }, [transactions, totalObligation]);
     // hook - runs only on mount unless transactions change