diff --git a/rocket b/rocket
index 15e0d48a..b53ad86d 160000
--- a/rocket
+++ b/rocket
@@ -1 +1 @@
-Subproject commit 15e0d48a614db7b44eebb830175f759a0eb0eaf1
+Subproject commit b53ad86d4397dd29a038dfdd9ca5d7b97eff0525
diff --git a/src/main/scala/PublicConfigs.scala b/src/main/scala/PublicConfigs.scala
index fae4fadb..cee5a5de 100644
--- a/src/main/scala/PublicConfigs.scala
+++ b/src/main/scala/PublicConfigs.scala
@@ -75,7 +75,7 @@ class DefaultConfig extends ChiselConfig {
       case FastMulDiv => true
       case XprLen => 64
       case NMultXpr => 32
-      case BuildFPU => Some(() => new FPU)
+      case BuildFPU => Some(() => Module(new FPU))
       case SFMALatency => 2
       case DFMALatency => 3
       case CoreInstBits => 32