diff --git a/packages/next/src/server/stream-utils/index.js b/packages/next/src/server/stream-utils/index.js
index c36d855aae9c..0def011f45bd 100644
--- a/packages/next/src/server/stream-utils/index.js
+++ b/packages/next/src/server/stream-utils/index.js
@@ -1,8 +1,8 @@
 if (
   process.env.NEXT_RUNTIME === 'nodejs' &&
-  process.env.EXPERIMENTAL_NODE_STREAMS_SUPPORT
+  process.env.EXPERIMENTAL_NODE_STREAMS_SUPPORT === '1'
 ) {
-  module.exports = require('next/dist/server/stream-utils/stream-utils.edge.js')
-} else {
   module.exports = require('next/dist/server/stream-utils/stream-utils.node.js')
+} else {
+  module.exports = require('next/dist/server/stream-utils/stream-utils.edge.js')
 }