diff --git a/conf.json b/conf.json
index 76e7cdf..f2bf00f 100644
--- a/conf.json
+++ b/conf.json
@@ -6,22 +6,13 @@
         "name": "sandbox",
         "with": {
           "default": {
-            "args": [
-              "bash",
-              "-c",
-              "cpplint src/*.cpp"
-            ],
-            "env": [
-              "PATH=/usr/bin:/bin:/usr/local/bin"
-            ],
+            "args": ["cpplint", "--recursive", "."],
+            "env": ["PATH=/usr/bin:/bin:/usr/local/bin"],
             "cpuLimit": 10000000000,
             "memoryLimit": 104857600,
             "procLimit": 50,
             "copyInDir": ".",
-            "copyOut": [
-              "stdout",
-              "stderr"
-            ],
+            "copyOut": ["stdout", "stderr"],
             "stdin": {
               "content": ""
             },