diff --git a/packages/twenty-front/src/modules/object-record/object-filter-dropdown/components/ObjectFilterDropdownRatingInput.tsx b/packages/twenty-front/src/modules/object-record/object-filter-dropdown/components/ObjectFilterDropdownRatingInput.tsx
index 7378eb993..1c9db8ef4 100644
--- a/packages/twenty-front/src/modules/object-record/object-filter-dropdown/components/ObjectFilterDropdownRatingInput.tsx
+++ b/packages/twenty-front/src/modules/object-record/object-filter-dropdown/components/ObjectFilterDropdownRatingInput.tsx
@@ -5,6 +5,7 @@ import { RatingInput } from '@/ui/field/input/components/RatingInput';
 import { useApplyObjectFilterDropdownFilterValue } from '@/object-record/object-filter-dropdown/hooks/useApplyObjectFilterDropdownFilterValue';
 import { useObjectFilterDropdownFilterValue } from '@/object-record/object-filter-dropdown/hooks/useObjectFilterDropdownFilterValue';
 import styled from '@emotion/styled';
+import { isDefined } from 'twenty-shared/utils';
 
 const StyledRatingInputContainer = styled.div`
   padding: ${({ theme }) => theme.spacing(2)};
@@ -12,25 +13,24 @@ const StyledRatingInputContainer = styled.div`
 
 const convertFieldRatingValueToNumber = (
   rating: Exclude<FieldRatingValue, null>,
-): string => {
-  return rating.split('_')[1];
-};
+): string => rating.split('_')[1];
 
 export const convertGreaterThanRatingToArrayOfRatingValues = (
   greaterThanValue: number,
-) => {
-  return RATING_VALUES.filter((_, index) => index + 1 > greaterThanValue);
-};
+) =>
+  RATING_VALUES.filter(
+    (ratingValue) => +ratingValue.split('_')[1] >= greaterThanValue,
+  );
 
 export const convertLessThanRatingToArrayOfRatingValues = (
   lessThanValue: number,
-) => {
-  return RATING_VALUES.filter((_, index) => index + 1 <= lessThanValue);
-};
+) =>
+  RATING_VALUES.filter(
+    (ratingValue) => +ratingValue.split('_')[1] <= lessThanValue,
+  );
 
-export const convertRatingToRatingValue = (rating: number) => {
-  return `RATING_${rating}` as FieldRatingValue;
-};
+export const convertRatingToRatingValue = (rating: number) =>
+  `RATING_${rating}` as FieldRatingValue;
 
 export const ObjectFilterDropdownRatingInput = () => {
   const { applyObjectFilterDropdownFilterValue } =
@@ -50,9 +50,11 @@ export const ObjectFilterDropdownRatingInput = () => {
     applyObjectFilterDropdownFilterValue(ratingValueConverted);
   };
 
-  const currentFilterValueConvertedToRatingValue = convertRatingToRatingValue(
-    Number(objectFilterDropdownFilterValue),
-  );
+  const currentFilterValueConvertedToRatingValue = isDefined(
+    objectFilterDropdownFilterValue,
+  )
+    ? convertRatingToRatingValue(Number(objectFilterDropdownFilterValue))
+    : null;
 
   return (
     <StyledRatingInputContainer>
diff --git a/packages/twenty-front/src/modules/object-record/record-field/types/guards/isFieldRatingValue.ts b/packages/twenty-front/src/modules/object-record/record-field/types/guards/isFieldRatingValue.ts
index 3fc8459a0..71b721578 100644
--- a/packages/twenty-front/src/modules/object-record/record-field/types/guards/isFieldRatingValue.ts
+++ b/packages/twenty-front/src/modules/object-record/record-field/types/guards/isFieldRatingValue.ts
@@ -1,11 +1,8 @@
-import { z } from 'zod';
-
 import { RATING_VALUES } from '@/object-record/record-field/meta-types/constants/RatingValues';
 
 import { FieldRatingValue } from '../FieldMetadata';
 
-const ratingSchema = z.string().pipe(z.enum(RATING_VALUES));
-
 export const isFieldRatingValue = (
   fieldValue: unknown,
-): fieldValue is FieldRatingValue => ratingSchema.safeParse(fieldValue).success;
+): fieldValue is FieldRatingValue =>
+  RATING_VALUES.includes(fieldValue as NonNullable<FieldRatingValue>);
diff --git a/packages/twenty-front/src/modules/object-record/spreadsheet-import/utils/getSpreadSheetFieldValidationDefinitions.ts b/packages/twenty-front/src/modules/object-record/spreadsheet-import/utils/getSpreadSheetFieldValidationDefinitions.ts
index b3aadea9c..2d25daa24 100644
--- a/packages/twenty-front/src/modules/object-record/spreadsheet-import/utils/getSpreadSheetFieldValidationDefinitions.ts
+++ b/packages/twenty-front/src/modules/object-record/spreadsheet-import/utils/getSpreadSheetFieldValidationDefinitions.ts
@@ -1,4 +1,5 @@
 import { RATING_VALUES } from '@/object-record/record-field/meta-types/constants/RatingValues';
+import { isFieldRatingValue } from '@/object-record/record-field/types/guards/isFieldRatingValue';
 import { emailSchema } from '@/object-record/record-field/validation-schemas/emailSchema';
 import { SpreadsheetImportFieldValidationDefinition } from '@/spreadsheet-import/types';
 import { t } from '@lingui/core/macro';
@@ -221,11 +222,7 @@ export const getSpreadSheetFieldValidationDefinitions = (
       return [
         {
           rule: 'function',
-          isValid: (value: string) => {
-            return RATING_VALUES.includes(
-              value as (typeof RATING_VALUES)[number],
-            );
-          },
+          isValid: isFieldRatingValue,
           errorMessage: `${fieldName} ${t` must be one of ${ratingValues} values`}`,
           level: 'error',
         },