diff --git a/lib/performance/SizeLimitsPlugin.js b/lib/performance/SizeLimitsPlugin.js
index 24a87fa5e..7b45740c5 100644
--- a/lib/performance/SizeLimitsPlugin.js
+++ b/lib/performance/SizeLimitsPlugin.js
@@ -68,7 +68,7 @@ module.exports = class SizeLimitsPlugin {
 
 			const fileFilter = name => {
 				const asset = compilation.getAsset(name);
-				return assetFilter(asset.name, asset.source, asset.info);
+				return asset && assetFilter(asset.name, asset.source, asset.info);
 			};
 
 			const entrypointsOverLimit = [];