diff --git a/rocket/src/main/scala/nbdcache.scala b/rocket/src/main/scala/nbdcache.scala
index 63f72357..647a96ec 100644
--- a/rocket/src/main/scala/nbdcache.scala
+++ b/rocket/src/main/scala/nbdcache.scala
@@ -285,7 +285,8 @@ class MSHR(id: Int)(implicit conf: DCacheConfig, lnconf: LogicalNetworkConfigura
   io.req_sec_rdy := sec_rdy && rpq.io.enq.ready
 
   val meta_hazard = Reg(resetVal = UFix(0,2))
-  when (meta_hazard != 0 || io.meta_write.fire()) { meta_hazard := meta_hazard + 1 }
+  when (meta_hazard != 0) { meta_hazard := meta_hazard + 1 }
+  when (io.meta_write.fire()) { meta_hazard := 1 }
   io.probe_rdy := !idx_match || (state != s_wb_req && state != s_wb_resp && state != s_meta_clear && meta_hazard === 0)
 
   io.meta_write.valid := state === s_meta_write_req || state === s_meta_clear