diff --git a/rollup.config.js b/rollup.config.js
index e674459c22f..f6ca48dd266 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -192,7 +192,7 @@ function createConfig(format, output, plugins = []) {
     if (isBundlerESMBuild) {
       Object.assign(replacements, {
         // preserve to be handled by bundlers
-        __DEV__: `(process.env.NODE_ENV !== 'production')`
+        __DEV__: `process.env.NODE_ENV !== 'production'`
       })
     }