diff --git a/tests/vitest/os-settings-about-theme.test.ts b/tests/vitest/os-settings-about-theme.test.ts
index 6e71e864..73d5b85b 100644
--- a/tests/vitest/os-settings-about-theme.test.ts
+++ b/tests/vitest/os-settings-about-theme.test.ts
@@ -14,7 +14,8 @@ import { describe, expect, test } from 'vitest';
 const root = join( __dirname, '../..' );
 const css = readFileSync( join( root, 'assets/css/os-settings.css' ), 'utf8' );
 const aboutStart = css.indexOf( '/*\n * About tab' );
-const aboutEnd = css.indexOf( '/* Apps & Icons section', aboutStart );
+const nextSection = css.indexOf( '\n/*', aboutStart + 1 );
+const aboutEnd = -1 === nextSection ? css.length : nextSection;
 const aboutCss = css.slice( aboutStart, aboutEnd );
 
 describe( 'OS Settings — About theme contract', () => {