diff --git a/packages/vite/src/node/plugins/css.ts b/packages/vite/src/node/plugins/css.ts
index c4094605b8168f..b00edcb04f727e 100644
--- a/packages/vite/src/node/plugins/css.ts
+++ b/packages/vite/src/node/plugins/css.ts
@@ -416,7 +416,7 @@ async function compileCSS(
               path.join(basedir, '*')
             )
             if (resolved) {
-              return resolved.id
+              return path.resolve(resolved.id)
             }
           }
           return id