diff --git a/src/main/scala/naxriscv/Gen.scala b/src/main/scala/naxriscv/Gen.scala
index f79ad718..7e12dcf1 100644
--- a/src/main/scala/naxriscv/Gen.scala
+++ b/src/main/scala/naxriscv/Gen.scala
@@ -330,7 +330,7 @@ object Config{
       case true => new MulPlugin(
         euId = "EU0",
         sumAt = 0,
-        sumsSpec = List((16, 16), (32, 1000), (1000, 1000)),
+        sumsSpec = List((16, 4), (24, 1000), (1000, 1000)),
         splitWidthA = xlen,
         splitWidthB = 1,
         useRsUnsignedPlugin = true,