diff --git a/config.json b/config.json
index 8304f2e..4f439f0 100644
--- a/config.json
+++ b/config.json
@@ -27,7 +27,7 @@
           "h3"
         ],
         "certificate_path": "./tls/server.pem",
-        "key_path": "./tls/server.pem"
+        "key_path": "./tls/server.crt"
       }
     }
   ],