diff --git a/rocket/src/main/scala/amba/apb/Node.scala b/rocket/src/main/scala/amba/apb/Node.scala
index 8bf52445..70d9459d 100644
--- a/rocket/src/main/scala/amba/apb/Node.scala
+++ b/rocket/src/main/scala/amba/apb/Node.scala
@@ -42,7 +42,7 @@ case class BundleBridgeToAPBNode(masterParams: APBMasterPortParameters)(implicit
     dFn = { mp =>
       masterParams
     },
-    uFn = { slaveParams => BundleBridgeNull() }
+    uFn = { slaveParams => BundleBridgeParams(None) }
   )
 
 object BundleBridgeToAPBNode {
diff --git a/rocket/src/main/scala/amba/axi4/Node.scala b/rocket/src/main/scala/amba/axi4/Node.scala
index 96a8b3b4..7ac415d5 100644
--- a/rocket/src/main/scala/amba/axi4/Node.scala
+++ b/rocket/src/main/scala/amba/axi4/Node.scala
@@ -42,7 +42,7 @@ case class BundleBridgeToAXI4Node(masterParams: AXI4MasterPortParameters)(implic
     dFn = { mp =>
       masterParams
     },
-    uFn = { slaveParams => BundleBridgeNull() }
+    uFn = { slaveParams => BundleBridgeParams(None) }
   )
 
 object BundleBridgeToAXI4Node {
diff --git a/rocket/src/main/scala/amba/axi4stream/Nodes.scala b/rocket/src/main/scala/amba/axi4stream/Nodes.scala
index 4ac254c8..eebd1224 100644
--- a/rocket/src/main/scala/amba/axi4stream/Nodes.scala
+++ b/rocket/src/main/scala/amba/axi4stream/Nodes.scala
@@ -175,7 +175,7 @@ extends MixedAdapterNode(AXI4StreamBundleBridgeImp, AXI4StreamImp)(
   dFn = { mp =>
     masterParams
   },
-  uFn = { slaveParams => BundleBridgeNull() }// BundleBridgeParams(() => AXI4StreamBundle(AXI4StreamBundleParameters.joinEdge(masterParams, slaveParams)))}
+  uFn = { slaveParams => BundleBridgeParams(None) }// BundleBridgeParams(() => AXI4StreamBundle(AXI4StreamBundleParameters.joinEdge(masterParams, slaveParams)))}
 )
 
 object BundleBridgeToAXI4StreamNode {
diff --git a/rocket/src/main/scala/interrupts/Nodes.scala b/rocket/src/main/scala/interrupts/Nodes.scala
index dde5a2c3..392488b7 100644
--- a/rocket/src/main/scala/interrupts/Nodes.scala
+++ b/rocket/src/main/scala/interrupts/Nodes.scala
@@ -36,7 +36,7 @@ object IntToBundleBridge {
 case class BundleBridgeToIntNode(sourceParams: IntSourcePortParameters)
 (implicit valName: ValName) extends MixedAdapterNode(IntBundleBridgeImp, IntImp)(
   dFn = {sinkParams => sourceParams},
-  uFn = { slaveParams => BundleBridgeNull() }
+  uFn = { slaveParams => BundleBridgeParams(None) }
 )
 
 class BundleBridgeToInt(sourceParams: IntSourcePortParameters)(implicit p: Parameters)
diff --git a/rocket/src/main/scala/tl/Node.scala b/rocket/src/main/scala/tl/Node.scala
index 346453c3..ab34d9a4 100644
--- a/rocket/src/main/scala/tl/Node.scala
+++ b/rocket/src/main/scala/tl/Node.scala
@@ -44,7 +44,7 @@ case class BundleBridgeToTLNode(clientParams: TLClientPortParameters)(implicit v
     dFn = { mp =>
       clientParams
     },
-    uFn = { slaveParams => BundleBridgeNull() }
+    uFn = { slaveParams => BundleBridgeParams(None) }
   )
 
 object BundleBridgeToTLNode {