diff --git a/src/main/java/de/dennisguse/opentracks/content/data/Track.java b/src/main/java/de/dennisguse/opentracks/content/data/Track.java
index df7f688bc..eb09da668 100644
--- a/src/main/java/de/dennisguse/opentracks/content/data/Track.java
+++ b/src/main/java/de/dennisguse/opentracks/content/data/Track.java
@@ -149,7 +149,7 @@ public class Track {
         @NonNull
         @Override
         public String toString() {
-            throw new RuntimeException("Not supported");
+            return String.valueOf(id);
         }
 
         @Override