From 59250743bae013f2050aa2c4c3a98bad9426a9bc Mon Sep 17 00:00:00 2001
From: Tobias Koppers <tobias.koppers@googlemail.com>
Date: Thu, 8 Nov 2018 18:08:12 +0100
Subject: [PATCH] fix message update in ModuleRestoreError

---
 lib/ModuleRestoreError.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/ModuleRestoreError.js b/lib/ModuleRestoreError.js
index 58c5bc362..e42591e49 100644
--- a/lib/ModuleRestoreError.js
+++ b/lib/ModuleRestoreError.js
@@ -27,7 +27,7 @@ class ModuleRestoreError extends WebpackError {
 				message += err;
 			}
 		} else {
-			message = String(err);
+			message += String(err);
 		}
 
 		super(message);