diff --git a/.vscode/launch.json b/.vscode/launch.json
index bee6aa6..9f411a2 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -9,10 +9,10 @@
             "type": "go",
             "request": "launch",
             "mode": "auto",
+            "buildFlags": "-tags=jsoniter",
             "cwd": "${workspaceFolder}",
             "program": "${workspaceRoot}/main.go",
             "args": [
-                "-tag=jsoniter"
             ]
         }
     ]