diff --git a/rollup/server.config.js b/rollup/server.config.js
index 307f2d3..de2f334 100644
--- a/rollup/server.config.js
+++ b/rollup/server.config.js
@@ -18,7 +18,7 @@ export default {
 		}),
 		resolve(),
 		replace({
-			'process.browser': true,
+			'process.browser': false,
 			'process.env.NODE_ENV': JSON.stringify(mode)
 		}),
 		commonjs()
@@ -29,4 +29,4 @@ export default {
 
 	// temporary, pending Rollup 1.0
 	experimentalCodeSplitting: true
-};
\ No newline at end of file
+};