diff --git a/src/main.rs b/src/main.rs
index e5a21bd..5a76a6d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -554,7 +554,7 @@ fn get_wm_classes(conn: &xcb::Connection, id: &i32) -> Vec<String> {
                 }
             }
             Err(err) => {
-                println!("{:?}", err);
+                warn!("{:?}", err);
                 break;
             }
         }