diff --git a/t1rocketemu/src/TestBench.scala b/t1rocketemu/src/TestBench.scala
index 58b506716..fe0ad7667 100644
--- a/t1rocketemu/src/TestBench.scala
+++ b/t1rocketemu/src/TestBench.scala
@@ -183,7 +183,7 @@ class TestBench(generator: SerializableModuleGenerator[T1RocketTile, T1RocketTil
     )
   )
 
-  when(rocketProbe.waitWen && !rocketProbe.isVector && rocketProbe.waitWaddr =/= 0.U)( // should this judge vector?
+  when(rocketProbe.waitWen && !rocketProbe.isVector && rocketProbe.waitWaddr =/= 0.U && !rocketProbe.rfWen)(
     printf(
       cf"""{"event":"RegWriteWait","idx":${rocketProbe.waitWaddr},"cycle":${simulationTime}}\n"""
     )