diff --git a/rocket/src/main/scala/idecode.scala b/rocket/src/main/scala/idecode.scala
index ec16f10b..6b02baa1 100644
--- a/rocket/src/main/scala/idecode.scala
+++ b/rocket/src/main/scala/idecode.scala
@@ -7,6 +7,7 @@ import Instructions._
 import uncore.constants.MemoryOpConstants._
 import ALU._
 import cde.Parameters
+import Util._
 
 abstract trait DecodeConstants extends HasCoreParameters
 {