diff --git a/frontend/src/component/feature/FeatureView/FeatureVariants/FeatureEnvironmentVariants/EnvironmentVariantsModal/VariantForm/VariantForm.tsx b/frontend/src/component/feature/FeatureView/FeatureVariants/FeatureEnvironmentVariants/EnvironmentVariantsModal/VariantForm/VariantForm.tsx
index 3a61919c17..c3af0edddd 100644
--- a/frontend/src/component/feature/FeatureView/FeatureVariants/FeatureEnvironmentVariants/EnvironmentVariantsModal/VariantForm/VariantForm.tsx
+++ b/frontend/src/component/feature/FeatureView/FeatureVariants/FeatureEnvironmentVariants/EnvironmentVariantsModal/VariantForm/VariantForm.tsx
@@ -199,7 +199,10 @@ export const VariantForm = ({
     const variantTypeNumber = useUiFlag('variantTypeNumber');
 
     useEffect(() => {
-        if (variantTypeNumber) {
+        if (
+            variantTypeNumber &&
+            !payloadOptions.some(option => option.key === 'number')
+        ) {
             payloadOptions.push({ key: 'number', label: 'number' });
         }
     }, [variantTypeNumber]);