diff --git a/frontend/apps/main/src/components/filter/FilterBuilder.vue b/frontend/apps/main/src/components/filter/FilterBuilder.vue
index 089f5914..1a4de157 100644
--- a/frontend/apps/main/src/components/filter/FilterBuilder.vue
+++ b/frontend/apps/main/src/components/filter/FilterBuilder.vue
@@ -55,7 +55,7 @@
         <!-- Value -->
         <div class="flex-1">
           <div v-if="modelFilter.field && modelFilter.operator">
-            <template v-if="modelFilter.operator !== 'set' && modelFilter.operator !== 'not set'">
+            <template v-if="modelFilter.operator !== OPERATOR.SET && modelFilter.operator !== OPERATOR.NOT_SET">
               <SelectTag
                 v-if="getFieldType(modelFilter) === FIELD_TYPE.MULTI_SELECT"
                 v-model="modelFilter.value"
@@ -95,7 +95,7 @@
               <DateFilterValue
                 v-else-if="getFieldType(modelFilter) === FIELD_TYPE.DATE"
                 v-model="modelFilter.value"
-                :range="modelFilter.operator === 'between'"
+                :range="modelFilter.operator === OPERATOR.BETWEEN"
               />
 
               <Input
@@ -143,7 +143,7 @@ import { Plus } from 'lucide-vue-next'
 import { Button } from '@shared-ui/components/ui/button'
 import { Input } from '@shared-ui/components/ui/input'
 import { useI18n } from 'vue-i18n'
-import { FIELD_TYPE } from '@/constants/filterConfig'
+import { FIELD_TYPE, OPERATOR } from '@/constants/filterConfig'
 import CloseButton from '@/components/button/CloseButton.vue'
 import SelectComboBox from '@/components/combobox/SelectCombobox.vue'
 import SelectTag from '@shared-ui/components/ui/select/SelectTag.vue'
@@ -223,7 +223,7 @@ watch(
 
 const changeOperator = (filter, newOperator) => {
   if (filter.operator === newOperator) return
-  if (filter.operator === 'between' || newOperator === 'between') {
+  if (filter.operator === OPERATOR.BETWEEN || newOperator === OPERATOR.BETWEEN) {
     filter.value = ''
   }
   filter.operator = newOperator