diff --git a/packages/boxed-expression-component/src/expressions/DecisionTableExpression/DecisionTableExpression.tsx b/packages/boxed-expression-component/src/expressions/DecisionTableExpression/DecisionTableExpression.tsx
index ec9cf39be4b..b3447f44834 100644
--- a/packages/boxed-expression-component/src/expressions/DecisionTableExpression/DecisionTableExpression.tsx
+++ b/packages/boxed-expression-component/src/expressions/DecisionTableExpression/DecisionTableExpression.tsx
@@ -851,7 +851,7 @@ export function DecisionTableExpression({
               : DECISION_TABLE_ANNOTATION_DEFAULT_WIDTH;
 
         const nextValues = [...prev];
-        const minValuesLength = args.beforeIndex + 1 + args.columnsCount;
+        const minValuesLength = args.beforeIndex + args.columnsCount;
         nextValues.push(...Array(Math.max(0, minValuesLength - nextValues.length)));
         for (let i = 0; i < args.columnsCount; i++) {
           const widthIndex = args.beforeIndex + i + 1; // + 1 to account for the rowIndex column.