diff --git a/lib/builder/webpack/plugins/progress.mjs b/lib/builder/webpack/plugins/progress.mjs
index e40581d271..2206ad06aa 100644
--- a/lib/builder/webpack/plugins/progress.mjs
+++ b/lib/builder/webpack/plugins/progress.mjs
@@ -6,7 +6,7 @@ import logUpdate from 'log-update'
 const sharedState = {}
 
 const BAR_LENGTH = 25
-const IS_WINDOWS = false
+const IS_WINDOWS = /^win/.test(process.platform)
 const BLOCK_CHAR = IS_WINDOWS ? ' ' : '█'
 const BLOCK_CHAR2 = IS_WINDOWS ? '#' : '█'
 const ICON_CHAR = IS_WINDOWS ? ':' : '⠸'