diff --git a/packages/vitest/src/node/reporters/junit.ts b/packages/vitest/src/node/reporters/junit.ts
index 19c6f94adc01..949eeba3eae0 100644
--- a/packages/vitest/src/node/reporters/junit.ts
+++ b/packages/vitest/src/node/reporters/junit.ts
@@ -19,6 +19,7 @@ interface ClassnameTemplateVariables {
 
 export interface JUnitOptions {
   outputFile?: string
+  /** @deprecated Use `classnameTempalte` instead. */
   classname?: string
 
   /**