diff --git a/src/features/admin/components/policies/PolicyFields.tsx b/src/features/admin/components/policies/PolicyFields.tsx
index 8c988bec3..6c648a762 100644
--- a/src/features/admin/components/policies/PolicyFields.tsx
+++ b/src/features/admin/components/policies/PolicyFields.tsx
@@ -96,7 +96,18 @@ export const PolicyFields: FC<{
         <div className='mt-2'>{schema.description}</div>
         {
           schema.type === 'boolean' ?
-            <input type='checkbox' checked={!!value} /> :
+            <input
+              type='checkbox'
+              checked={!!value}
+              onChange={(e) => {
+                dispatch({
+                  type: 'UPDATE_FIELD',
+                  policyName,
+                  fieldName: name,
+                  value: e.target.checked,
+                });
+              }}
+            /> :
             <Input
               type={getInputType(schema.type)}
               value={value as string | number}
diff --git a/src/features/admin/hooks/usePolicyReducer.ts b/src/features/admin/hooks/usePolicyReducer.ts
index 9d48bad8f..23d4ecc32 100644
--- a/src/features/admin/hooks/usePolicyReducer.ts
+++ b/src/features/admin/hooks/usePolicyReducer.ts
@@ -61,11 +61,17 @@ export const createPolicyReducer = (allPolicies: PolicyItem[]) => (state: Policy
     case 'ADD_MULTI_VALUE': {
       const fieldKey = `${action.policyName}.${action.fieldName}`;
       const current = (state.fields[fieldKey] as (string | number)[]) || [];
+      const policyDef = allPolicies.find(p => p.internalName === action.policyName);
+      const paramSchema = policyDef?.parameters[action.fieldName];
+      const value = paramSchema?.type === 'multi_number' && typeof action.value === 'string'
+        ? Number(action.value)
+        : action.value;
+
       return {
         ...state,
         fields: {
           ...state.fields,
-          [fieldKey]: [...current, action.value],
+          [fieldKey]: [...current, value],
         },
       };
     }
diff --git a/src/features/admin/policy-manager.tsx b/src/features/admin/policy-manager.tsx
index 23ad673b5..5140fdcba 100644
--- a/src/features/admin/policy-manager.tsx
+++ b/src/features/admin/policy-manager.tsx
@@ -17,7 +17,7 @@ import { PolicyItem, PolicyParam, PolicyParams, PolicySpec, PolicySpecItem } fro
 const messages = defineMessages({
   heading: { id: 'admin.policies.heading', defaultMessage: 'Manage Policies' },
   searchPlaceholder: { id: 'admin.policies.search_placeholder', defaultMessage: 'What do you want to do?' },
-  policyModeError: { id: 'admin.policies.policy_mode_error', defaultMessage: 'The Ditto custom policy is enabled. Unset the <code>DITTO_CUSTOM_POLICY</code> environment variable to use the Policy UI.' },
+  policyModeError: { id: 'admin.policies.policy_mode_error', defaultMessage: 'The Ditto custom policy is enabled. Unset the DITTO_CUSTOM_POLICY environment variable to use the Policy UI.' },
   noPolicyConfigured: { id: 'admin.policies.no_policies_configured', defaultMessage: 'No policies configured! Use the search bar above to get started.' },
   addValue: { id: 'admin.policies.add_value', defaultMessage: 'Add' },
   removeValue: { id: 'admin.policies.remove_value', defaultMessage: 'Remove value' },