1 files changed, 1 insertions, 1 deletions

diff --git a/mps/code/root.c b/mps/code/root.c
index bd2dd21f5ea..374497e4a77 100644
--- a/mps/code/root.c
+++ b/mps/code/root.c
@@ -506,7 +506,7 @@ Res RootScan(ScanState ss, Root root)
   AVER(res == ResOK);
   root->grey = TraceSetDiff(root->grey, ss->traces);
   rootSetSummary(root, ScanStateSummary(ss));
-  EVENT_PWW(RootScan, root, ss->traces, ScanStateSummary(ss));
+  EVENT3(RootScan, root, ss->traces, ScanStateSummary(ss));
 
 failScan:
   if (root->pm != AccessSetEMPTY) {