diff --git a/web/core/components/estimates/points/create.tsx b/web/core/components/estimates/points/create.tsx
index e9a7e35dc..4a0967aa0 100644
--- a/web/core/components/estimates/points/create.tsx
+++ b/web/core/components/estimates/points/create.tsx
@@ -86,7 +86,7 @@ export const EstimatePointCreate: FC<TEstimatePointCreate> = observer((props) =>
             isEstimateValid = true;
           }
         } else if (currentEstimateType && currentEstimateType === EEstimateSystem.CATEGORIES) {
-          if (estimateInputValue && estimateInputValue.length > 0 && Number(estimateInputValue) < 0) {
+          if (estimateInputValue && estimateInputValue.length > 0 && isNaN(Number(estimateInputValue))) {
             isEstimateValid = true;
           }
         }
diff --git a/web/core/components/estimates/points/update.tsx b/web/core/components/estimates/points/update.tsx
index e20cbcfb1..4194f4b2d 100644
--- a/web/core/components/estimates/points/update.tsx
+++ b/web/core/components/estimates/points/update.tsx
@@ -91,7 +91,7 @@ export const EstimatePointUpdate: FC<TEstimatePointUpdate> = observer((props) =>
             isEstimateValid = true;
           }
         } else if (currentEstimateType && currentEstimateType === EEstimateSystem.CATEGORIES) {
-          if (estimateInputValue && estimateInputValue.length > 0) {
+          if (estimateInputValue && estimateInputValue.length > 0 && isNaN(Number(estimateInputValue))) {
             isEstimateValid = true;
           }
         }