diff --git a/packages/vite/src/node/plugins/css.ts b/packages/vite/src/node/plugins/css.ts
index 6fef458650a765..f20086fcc13c4c 100644
--- a/packages/vite/src/node/plugins/css.ts
+++ b/packages/vite/src/node/plugins/css.ts
@@ -651,15 +651,13 @@ export function cssPostPlugin(config: ResolvedConfig): Plugin {
             source: chunkCSS,
           })
           const originalName = isPreProcessor(lang) ? cssAssetName : cssFileName
-          generatedAssets
-            .get(config)!
-            .set(referenceId, {
-              originalName,
-              isEntry,
-              importedAssets: isPureCssChunk
-                ? chunk.viteMetadata?.importedAssets
-                : undefined,
-            })
+          generatedAssets.get(config)!.set(referenceId, {
+            originalName,
+            isEntry,
+            importedAssets: isPureCssChunk
+              ? chunk.viteMetadata?.importedAssets
+              : undefined,
+          })
           chunk.viteMetadata!.importedCss.add(this.getFileName(referenceId))
 
           if (emitTasksLength === emitTasks.length) {