diff --git a/packages/tracing-internal/src/browser/instrument.ts b/packages/tracing-internal/src/browser/instrument.ts
index 085db9ca3a5d..79b03258de1c 100644
--- a/packages/tracing-internal/src/browser/instrument.ts
+++ b/packages/tracing-internal/src/browser/instrument.ts
@@ -20,6 +20,13 @@ interface PerformanceEntry {
   readonly startTime: number;
   toJSON(): Record<string, unknown>;
 }
+interface PerformanceEventTiming extends PerformanceEntry {
+  processingStart: DOMHighResTimeStamp;
+  processingEnd: DOMHighResTimeStamp;
+  duration: DOMHighResTimeStamp;
+  cancelable?: boolean;
+  target?: Element;
+}
 
 interface Metric {
   /**