diff --git a/src/player_event_handler.rs b/src/player_event_handler.rs
index 23c02313..1e682b98 100644
--- a/src/player_event_handler.rs
+++ b/src/player_event_handler.rs
@@ -21,16 +21,16 @@ pub fn run_program_on_events(event: PlayerEvent, onevent: &str) -> io::Result<Ch
             new_track_id,
         } => {
             env_vars.insert("PLAYER_EVENT", "change".to_string());
-            env_vars.insert("OLD_TRACK_ID", old_track_id.to_base16());
-            env_vars.insert("TRACK_ID", new_track_id.to_base16());
+            env_vars.insert("OLD_TRACK_ID", old_track_id.to_base62());
+            env_vars.insert("TRACK_ID", new_track_id.to_base62());
         }
         PlayerEvent::Started { track_id } => {
             env_vars.insert("PLAYER_EVENT", "start".to_string());
-            env_vars.insert("TRACK_ID", track_id.to_base16());
+            env_vars.insert("TRACK_ID", track_id.to_base62());
         }
         PlayerEvent::Stopped { track_id } => {
             env_vars.insert("PLAYER_EVENT", "stop".to_string());
-            env_vars.insert("TRACK_ID", track_id.to_base16());
+            env_vars.insert("TRACK_ID", track_id.to_base62());
         }
     }
     run_program(onevent, env_vars)