diff --git a/code/core/scripts/prep.ts b/code/core/scripts/prep.ts
index 895b8f049d32..9a100c628d33 100644
--- a/code/core/scripts/prep.ts
+++ b/code/core/scripts/prep.ts
@@ -115,6 +115,10 @@ async function run() {
       platform: 'browser',
 
       conditions: ['browser', 'module', 'import', 'default'],
+
+      define: {
+        'process.env.NODE_ENV': JSON.stringify('production'),
+      },
     } satisfies EsbuildContextOptions;
 
     const nodeEsbuildOptions = {