diff --git a/node_modules/webpack/lib/optimize/ConcatenatedModule.js b/node_modules/webpack/lib/optimize/ConcatenatedModule.js
index df4d216..9331a83 100644
--- a/node_modules/webpack/lib/optimize/ConcatenatedModule.js
+++ b/node_modules/webpack/lib/optimize/ConcatenatedModule.js
@@ -1289,8 +1289,10 @@ class ConcatenatedModule extends Module {
 
 	findNewName(oldName, usedNamed1, usedNamed2, extraInfo) {
 		let name = oldName;
+		const suffix = '__WEBPACK_CONCATENATED_MODULE__'
 
 		if (name === "__WEBPACK_MODULE_DEFAULT_EXPORT__") name = "";
+		name = name.replace(suffix, '');
 
 		// Remove uncool stuff
 		extraInfo = extraInfo.replace(
@@ -1301,7 +1303,7 @@ class ConcatenatedModule extends Module {
 		const splittedInfo = extraInfo.split("/");
 		while (splittedInfo.length) {
 			name = splittedInfo.pop() + (name ? "_" + name : "");
-			const nameIdent = Template.toIdentifier(name);
+			const nameIdent = Template.toIdentifier(name) + suffix;
 			if (
 				!usedNamed1.has(nameIdent) &&
 				(!usedNamed2 || !usedNamed2.has(nameIdent))
@@ -1310,13 +1312,13 @@ class ConcatenatedModule extends Module {
 		}
 
 		let i = 0;
-		let nameWithNumber = Template.toIdentifier(`${name}_${i}`);
+		let nameWithNumber = Template.toIdentifier(`${name}_${i}`) + suffix;
 		while (
 			usedNamed1.has(nameWithNumber) ||
 			(usedNamed2 && usedNamed2.has(nameWithNumber))
 		) {
 			i++;
-			nameWithNumber = Template.toIdentifier(`${name}_${i}`);
+			nameWithNumber = Template.toIdentifier(`${name}_${i}`) + suffix;
 		}
 		return nameWithNumber;
 	}