diff --git a/public/app/features/provisioning/Wizard/FinishStep.tsx b/public/app/features/provisioning/Wizard/FinishStep.tsx
index 5414c1929e2..30a4749faaf 100644
--- a/public/app/features/provisioning/Wizard/FinishStep.tsx
+++ b/public/app/features/provisioning/Wizard/FinishStep.tsx
@@ -12,7 +12,12 @@ import { getGitProviderFields } from './fields';
 import { WizardFormData } from './types';
 
 export const FinishStep = memo(function FinishStep() {
-  const { register, watch, setValue } = useFormContext<WizardFormData>();
+  const {
+    register,
+    watch,
+    setValue,
+    formState: { errors },
+  } = useFormContext<WizardFormData>();
   const settings = useGetFrontendSettingsQuery();
 
   const [type, readOnly] = watch(['repository.type', 'repository.readOnly']);
@@ -42,6 +47,8 @@ export const FinishStep = memo(function FinishStep() {
             'How often to sync changes from the repository'
           )}
           required
+          error={errors?.repository?.sync?.intervalSeconds?.message}
+          invalid={!!errors?.repository?.sync?.intervalSeconds?.message}
         >
           <Input
             {...register('repository.sync.intervalSeconds', {
diff --git a/public/app/features/provisioning/utils/getFormErrors.ts b/public/app/features/provisioning/utils/getFormErrors.ts
index 7adcca8063c..3d94975a602 100644
--- a/public/app/features/provisioning/utils/getFormErrors.ts
+++ b/public/app/features/provisioning/utils/getFormErrors.ts
@@ -3,7 +3,7 @@ import { ErrorDetails } from 'app/api/clients/provisioning/v0alpha1';
 import { WizardFormData } from '../Wizard/types';
 
 export type RepositoryField = keyof WizardFormData['repository'];
-export type RepositoryFormPath = `repository.${RepositoryField}`;
+export type RepositoryFormPath = `repository.${RepositoryField}` | `repository.sync.intervalSeconds`;
 export type FormErrorTuple = [RepositoryFormPath | null, { message: string } | null];
 
 /**
@@ -25,7 +25,13 @@ export const getFormErrors = (errors: ErrorDetails[]): FormErrorTuple => {
     'bitbucket.url',
     'git.branch',
     'git.url',
+    'sync.intervalSeconds',
   ];
+
+  const nestedFieldMap: Record<string, RepositoryFormPath> = {
+    'sync.intervalSeconds': 'repository.sync.intervalSeconds',
+  };
+
   const fieldMap: Record<string, RepositoryFormPath> = {
     path: 'repository.path',
     branch: 'repository.branch',
@@ -37,6 +43,12 @@ export const getFormErrors = (errors: ErrorDetails[]): FormErrorTuple => {
     if (error.field) {
       const cleanField = error.field.replace('spec.', '');
       if (fieldsToValidate.includes(cleanField)) {
+        // Check for direct nested field mapping first
+        if (cleanField in nestedFieldMap) {
+          return [nestedFieldMap[cleanField], { message: error.detail || `Invalid ${cleanField}` }];
+        }
+
+        // Fall back to simple field mapping for non-nested fields
         const fieldParts = cleanField.split('.');
         const lastPart = fieldParts[fieldParts.length - 1];