diff --git a/library/core/src/main/java/com/google/android/exoplayer2/util/EventLogger.java b/library/core/src/main/java/com/google/android/exoplayer2/util/EventLogger.java
index 88f6b97e5c..a4e8e311ca 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/util/EventLogger.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/util/EventLogger.java
@@ -525,8 +525,9 @@ public class EventLogger implements AnalyticsListener {
         windowPeriodString += ", ad=" + eventTime.mediaPeriodId.adIndexInAdGroup;
       }
     }
-    return getTimeString(eventTime.realtimeMs - startTimeMs)
-        + ", "
+    return "eventTime="
+        + getTimeString(eventTime.realtimeMs - startTimeMs)
+        + ", mediaPos="
         + getTimeString(eventTime.currentPlaybackPositionMs)
         + ", "
         + windowPeriodString;