diff --git a/src/main/scala/amba/axi4/Fragmenter.scala b/src/main/scala/amba/axi4/Fragmenter.scala
index d7f2fa754ce..930f6b550bf 100644
--- a/src/main/scala/amba/axi4/Fragmenter.scala
+++ b/src/main/scala/amba/axi4/Fragmenter.scala
@@ -148,7 +148,7 @@ class AXI4Fragmenter()(implicit p: Parameters) extends LazyModule
       val in_w = Queue.irrevocable(in.w, 1, flow=true)
 
       // AR flow control; super easy
-      Connectable.waiveUnmatched(out.ar.bits, in_ar.bits) match {
+      Connectable.waiveUnmatched(out.ar, in_ar) match {
         case (lhs, rhs) => lhs :<>= rhs
       }
       out.ar.bits.echo(AXI4FragLast) := ar_last