diff --git a/src/main/scala/coreplex/PeripheryBus.scala b/src/main/scala/coreplex/PeripheryBus.scala
index 22eab1b2..7e51691e 100644
--- a/src/main/scala/coreplex/PeripheryBus.scala
+++ b/src/main/scala/coreplex/PeripheryBus.scala
@@ -48,5 +48,5 @@ trait HasPeripheryBus extends HasSystemBus {
   val pbus = new PeripheryBus(pbusParams)
 
   // The peripheryBus hangs off of systemBus; here we convert TL-UH -> TL-UL
-  pbus.fromSystemBus := sbus.toPeripheryBus(nBuffers = 4)
+  pbus.fromSystemBus := sbus.toPeripheryBus(nBuffers = 1)
 }