diff --git a/server/src/main.rs b/server/src/main.rs
index f254b7f..43993fd 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -30,7 +30,7 @@ async fn main() -> Result<(), Error> {
     } else {
         "/".to_string()
     };
-    let port = if let Some(prefix) = std::env::args().nth(1) {
+    let port = if let Some(prefix) = std::env::args().nth(2) {
         prefix
     } else {
         "4000".to_string()