diff --git a/src/client/stores/CalculationStore/Effects/actions/calculate/results.ts b/src/client/stores/CalculationStore/Effects/actions/calculate/results.ts
index 0e13dc8..4fb23e4 100644
--- a/src/client/stores/CalculationStore/Effects/actions/calculate/results.ts
+++ b/src/client/stores/CalculationStore/Effects/actions/calculate/results.ts
@@ -61,7 +61,7 @@ export default {
     );
     this.setValue(
       'resultIRRGraphPerc',
-      (res?.columns?.cashflowColumn?.irr || 0) * 100,
+      (res?.columns?.sumColumn?.irr || 0) * 100,
     );
     this.setValue(
       'resultIRRNominalPerc',