diff --git a/packages/core/logger/src/Logger.js b/packages/core/logger/src/Logger.js
index 0e9a0ceda51..4447e206ebe 100644
--- a/packages/core/logger/src/Logger.js
+++ b/packages/core/logger/src/Logger.js
@@ -77,7 +77,7 @@ class Logger {
         this.logFile = fs.createWriteStream(
           path.join(
             process.cwd(),
-            `parcel-debug-${currDate.toLocaleDateString()}@${currDate.toLocaleTimeString()}.log`
+            `parcel-debug-${currDate.toISOString()}.log`
           )
         );
       }