diff --git a/src/main/scala/rocket/ICache.scala b/src/main/scala/rocket/ICache.scala
index 14da046f..5d6efc28 100644
--- a/src/main/scala/rocket/ICache.scala
+++ b/src/main/scala/rocket/ICache.scala
@@ -59,7 +59,7 @@ class ICache(val icacheParams: ICacheParams, val hartid: Int)(implicit p: Parame
       Seq(TLManagerParameters(
         address         = Seq(AddressSet(itimAddr, size-1)),
         resources       = device.reg("mem"),
-        regionType      = RegionType.UNCACHEABLE,
+        regionType      = RegionType.PUT_EFFECTS,
         executable      = true,
         supportsPutFull = TransferSizes(1, wordBytes),
         supportsPutPartial = TransferSizes(1, wordBytes),