diff --git a/packages/next/src/build/webpack-config.ts b/packages/next/src/build/webpack-config.ts
index a7f3e5a7b490f..4b55e0caae2d2 100644
--- a/packages/next/src/build/webpack-config.ts
+++ b/packages/next/src/build/webpack-config.ts
@@ -101,7 +101,9 @@ const NEXT_PROJECT_ROOT_DIST_CLIENT = path.join(
 )
 
 if (React.version !== '19.0.0-beta-4508873393-20240430') {
-  throw new Error('Next.js requires react 19.0.0-beta-4508873393-20240430 to be installed.')
+  throw new Error(
+    `Next.js requires react 19.0.0-beta-4508873393-20240430 to be installed. Got version '${React.version}' instead.`
+  )
 }
 
 export const babelIncludeRegexes: RegExp[] = [