diff --git a/src/main/scala/diplomacy/Nodes.scala b/src/main/scala/diplomacy/Nodes.scala
index 6a218cc5..949921b9 100644
--- a/src/main/scala/diplomacy/Nodes.scala
+++ b/src/main/scala/diplomacy/Nodes.scala
@@ -161,8 +161,12 @@ class MixedNode[DI, UI, EI, BI <: Data, DO, UO, EO, BO <: Data](
   lazy val edgesOut = (oPorts zip oParams).map { case ((i, n), o) => outer.edgeO(o, n.iParams(i)) }
   lazy val edgesIn  = (iPorts zip iParams).map { case ((o, n), i) => inner.edgeI(n.oParams(o), i) }
 
-  lazy val bundleOut = outer.bundleO(edgesOut)
-  lazy val bundleIn  = inner.bundleI(edgesIn)
+  val flip = false // needed for blind nodes
+  private def flipO(b: Vec[BO]) = if (flip) b.flip else b
+  private def flipI(b: Vec[BI]) = if (flip) b      else b.flip
+
+  lazy val bundleOut = flipO(outer.bundleO(edgesOut))
+  lazy val bundleIn  = flipI(inner.bundleI(edgesIn))
 
   // connects the outward part of a node with the inward part of this node
   override def := (h: OutwardNodeHandle[DI, UI, BI])(implicit sourceInfo: SourceInfo): Option[LazyModule] = {
diff --git a/src/main/scala/uncore/axi4/Nodes.scala b/src/main/scala/uncore/axi4/Nodes.scala
index 0613a70b..3417e8f0 100644
--- a/src/main/scala/uncore/axi4/Nodes.scala
+++ b/src/main/scala/uncore/axi4/Nodes.scala
@@ -16,7 +16,7 @@ object AXI4Imp extends NodeImp[AXI4MasterPortParameters, AXI4SlavePortParameters
   }
   def bundleI(ei: Seq[AXI4EdgeParameters]): Vec[AXI4Bundle] = {
     require (!ei.isEmpty)
-    Vec(ei.size, AXI4Bundle(ei.map(_.bundle).reduce(_.union(_)))).flip
+    Vec(ei.size, AXI4Bundle(ei.map(_.bundle).reduce(_.union(_))))
   }
 
   def colour = "#00ccff" // bluish
diff --git a/src/main/scala/uncore/tilelink2/IntNodes.scala b/src/main/scala/uncore/tilelink2/IntNodes.scala
index 639d03ed..79fd4990 100644
--- a/src/main/scala/uncore/tilelink2/IntNodes.scala
+++ b/src/main/scala/uncore/tilelink2/IntNodes.scala
@@ -58,7 +58,7 @@ object IntImp extends NodeImp[IntSourcePortParameters, IntSinkPortParameters, In
   }
   def bundleI(ei: Seq[IntEdge]): Vec[Vec[Bool]] = {
     require (!ei.isEmpty)
-    Vec(ei.size, Vec(ei.map(_.source.num).max, Bool())).flip
+    Vec(ei.size, Vec(ei.map(_.source.num).max, Bool()))
   }
 
   def colour = "#0000ff" // blue
diff --git a/src/main/scala/uncore/tilelink2/Nodes.scala b/src/main/scala/uncore/tilelink2/Nodes.scala
index 24668401..b395461b 100644
--- a/src/main/scala/uncore/tilelink2/Nodes.scala
+++ b/src/main/scala/uncore/tilelink2/Nodes.scala
@@ -17,7 +17,7 @@ object TLImp extends NodeImp[TLClientPortParameters, TLManagerPortParameters, TL
   }
   def bundleI(ei: Seq[TLEdgeIn]): Vec[TLBundle] = {
     require (!ei.isEmpty)
-    Vec(ei.size, TLBundle(ei.map(_.bundle).reduce(_.union(_)))).flip
+    Vec(ei.size, TLBundle(ei.map(_.bundle).reduce(_.union(_))))
   }
 
   var emitMonitors = true
@@ -149,7 +149,7 @@ object TLAsyncImp extends NodeImp[TLAsyncClientPortParameters, TLAsyncManagerPor
   }
   def bundleI(ei: Seq[TLAsyncEdgeParameters]): Vec[TLAsyncBundle] = {
     require (ei.size == 1)
-    Vec(ei.size, new TLAsyncBundle(ei(0).bundle)).flip
+    Vec(ei.size, new TLAsyncBundle(ei(0).bundle))
   }
 
   def colour = "#ff0000" // red