diff --git a/packages/schematics/angular/refactor/jasmine-vitest/schema.json b/packages/schematics/angular/refactor/jasmine-vitest/schema.json
index 5b23618cbc48..7868568d97b6 100644
--- a/packages/schematics/angular/refactor/jasmine-vitest/schema.json
+++ b/packages/schematics/angular/refactor/jasmine-vitest/schema.json
@@ -16,9 +16,10 @@
     },
     "project": {
       "type": "string",
-      "description": "The name of the project where the tests should be refactored. If not specified, the CLI will determine the project from the current directory.",
+      "description": "The name of the project where the tests should be refactored. If not specified, the only project of the workspace is used.",
       "$default": {
-        "$source": "projectName"
+        "$source": "argv",
+        "index": 0
       }
     },
     "verbose": {