diff --git a/node_modules/webpack/lib/optimize/ConcatenatedModule.js b/node_modules/webpack/lib/optimize/ConcatenatedModule.js
index e406e52..d453cb9 100644
--- a/node_modules/webpack/lib/optimize/ConcatenatedModule.js
+++ b/node_modules/webpack/lib/optimize/ConcatenatedModule.js
@@ -1750,6 +1750,7 @@ ${defineGetters}`
 
 	findNewName(oldName, usedNamed1, usedNamed2, extraInfo) {
 		let name = oldName;
+		const suffix = '__WEBPACK_CONCATENATED_MODULE__'
 
 		if (name === ConcatenationScope.DEFAULT_EXPORT) {
 			name = "";
@@ -1757,6 +1758,7 @@ ${defineGetters}`
 		if (name === ConcatenationScope.NAMESPACE_OBJECT_EXPORT) {
 			name = "namespaceObject";
 		}
+		name = name.replace(suffix, '');
 
 		// Remove uncool stuff
 		extraInfo = extraInfo.replace(
@@ -1767,7 +1769,7 @@ ${defineGetters}`
 		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))
@@ -1776,13 +1778,13 @@ ${defineGetters}`
 		}
 
 		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;
 	}