diff --git a/.changeset/metal-carrots-compare.md b/.changeset/metal-carrots-compare.md
new file mode 100644
index 00000000000..31a2bb6548e
--- /dev/null
+++ b/.changeset/metal-carrots-compare.md
@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Bug fix: `className` passed to PageLayout twice
diff --git a/packages/react/src/PageLayout/PageLayout.tsx b/packages/react/src/PageLayout/PageLayout.tsx
index bb6bdedb5e4..20f6a26390a 100644
--- a/packages/react/src/PageLayout/PageLayout.tsx
+++ b/packages/react/src/PageLayout/PageLayout.tsx
@@ -117,7 +117,7 @@ const Root: React.FC<React.PropsWithChildren<PageLayoutProps>> = ({
 
   const contentStylingProps = enabled
     ? {
-        className: clsx(classes.PageLayoutContent, className),
+        className: clsx(classes.PageLayoutContent),
       }
     : {
         sx: {display: 'flex', flex: '1 1 100%', flexWrap: 'wrap', maxWidth: '100%'},