diff --git a/src/mastodon.rs b/src/mastodon.rs
index 4223a21..0cb0b6b 100644
--- a/src/mastodon.rs
+++ b/src/mastodon.rs
@@ -326,11 +326,11 @@ impl Mastodon {
 
         if ids.len() == 1 {
             url += "id=";
-            url += &ids[0];
+            url += ids[0];
         } else {
             for id in ids {
                 url += "id[]=";
-                url += &id;
+                url += id;
                 url += "&";
             }
             url.pop();