diff --git a/libraries/effect/src/main/java/androidx/media3/effect/DebugTraceUtil.java b/libraries/effect/src/main/java/androidx/media3/effect/DebugTraceUtil.java
index d98d6b014b..092c532fb5 100644
--- a/libraries/effect/src/main/java/androidx/media3/effect/DebugTraceUtil.java
+++ b/libraries/effect/src/main/java/androidx/media3/effect/DebugTraceUtil.java
@@ -254,8 +254,8 @@ public final class DebugTraceUtil {
     private int totalCount;
 
     public EventLogger() {
-      firstLogs = new ArrayList<>();
-      lastLogs = new ArrayDeque<>();
+      firstLogs = new ArrayList<>(MAX_FIRST_LAST_LOGS);
+      lastLogs = new ArrayDeque<>(MAX_FIRST_LAST_LOGS);
       totalCount = 0;
     }