diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index a7b3c10edd44daa817d2ebb02c4a74cebd5bba4b..8df022aea06dd9ff7d341f278e7efc175bb39e06 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -4792,7 +4792,7 @@ public final class ViewRootImpl implements ViewParent,
         mFullRedrawNeeded = false;
 
         mIsDrawing = true;
-        Trace.traceBegin(Trace.TRACE_TAG_VIEW, mTag + "-draw");
+        Trace.traceBegin(Trace.TRACE_TAG_VIEW, "draw-" + mTag);
 
         addFrameCommitCallbackIfNeeded();