diff --git a/code/lib/cli/src/generators/configure.test.ts b/code/lib/cli/src/generators/configure.test.ts
index 4f1ba91004bb..1e80f406e19c 100644
--- a/code/lib/cli/src/generators/configure.test.ts
+++ b/code/lib/cli/src/generators/configure.test.ts
@@ -85,6 +85,9 @@ describe('configurePreview', () => {
     expect(previewConfigPath).toEqual('./.storybook/preview.js');
     expect(previewConfigContent).toMatchInlineSnapshot(`
       "export const parameters = {
+        backgrounds: {
+          default: 'light',
+        },
         actions: { argTypesRegex: \\"^on[A-Z].*\\" },
         controls: {
           matchers: {
@@ -108,6 +111,9 @@ describe('configurePreview', () => {
     expect(previewConfigPath).toEqual('./.storybook/preview.ts');
     expect(previewConfigContent).toMatchInlineSnapshot(`
       "export const parameters = {
+        backgrounds: {
+          default: 'light',
+        },
         actions: { argTypesRegex: \\"^on[A-Z].*\\" },
         controls: {
           matchers: {
@@ -150,6 +156,9 @@ describe('configurePreview', () => {
       import docJson from \\"../documentation.json\\";
       setCompodocJson(docJson);
       export const parameters = {
+        backgrounds: {
+          default: 'light',
+        },
         actions: { argTypesRegex: \\"^on[A-Z].*\\" },
         controls: {
           matchers: {
diff --git a/code/lib/cli/src/generators/configure.ts b/code/lib/cli/src/generators/configure.ts
index 53400d56fe7a..884e47af6f09 100644
--- a/code/lib/cli/src/generators/configure.ts
+++ b/code/lib/cli/src/generators/configure.ts
@@ -83,6 +83,9 @@ export async function configurePreview(options: ConfigurePreviewOptions) {
   const preview = dedent`
     ${prefix}
     export const parameters = {
+      backgrounds: {
+        default: 'light',
+      },
       actions: { argTypesRegex: "^on[A-Z].*" },
       controls: {
         matchers: {