diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 4a10cab..dfada58 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -4751,7 +4751,7 @@
         mFullRedrawNeeded = false;
 
         mIsDrawing = true;
-        Trace.traceBegin(Trace.TRACE_TAG_VIEW, mTag + "-draw");
+        Trace.traceBegin(Trace.TRACE_TAG_VIEW, "draw-" + mTag);
 
         addFrameCommitCallbackIfNeeded();