diff --git a/server/build/webpack.js b/server/build/webpack.js
index fb24b649d4562656f6bdbaa74208be63d117f54d..fcafff12215a0fe4cdf225e5679c4a6dc8ce35fa 100644
--- a/server/build/webpack.js
+++ b/server/build/webpack.js
@@ -40,7 +40,7 @@ export default async function createCompiler (dir, { dev = false, quiet = false
 
   const errorDebugEntry = join('bundles', 'pages', '_error-debug.js')
   const errorDebugPath = join(nextPagesDir, '_error-debug.js')
-  entry[errorDebugEntry] = errorDebugPath
+  entry[errorDebugEntry] = defaultEntries.concat([errorDebugPath + '?entry'])
 
   const nodeModulesDir = join(__dirname, '..', '..', '..', 'node_modules')