diff --git a/build.sbt b/build.sbt
index c1e5a7d..ae96f2d 100644
--- a/build.sbt
+++ b/build.sbt
@@ -9,7 +9,7 @@ scalaVersion := "2.11.8"
 EclipseKeys.withSource := true
 
 libraryDependencies ++= Seq(
-  "com.github.spinalhdl" % "spinalhdl-core_2.11" % "0.11.3",
-  "com.github.spinalhdl" % "spinalhdl-lib_2.11" % "0.11.3",
+  "com.github.spinalhdl" % "spinalhdl-core_2.11" % "0.11.4",
+  "com.github.spinalhdl" % "spinalhdl-lib_2.11" % "0.11.4",
   "org.yaml" % "snakeyaml" % "1.8"
 )
diff --git a/src/main/scala/vexriscv/Riscv.scala b/src/main/scala/vexriscv/Riscv.scala
index 9c83033..85a753e 100644
--- a/src/main/scala/vexriscv/Riscv.scala
+++ b/src/main/scala/vexriscv/Riscv.scala
@@ -14,7 +14,7 @@ object Riscv{
   case class IMM(instruction  : Bits) extends Area{
     // immediates
     def i = instruction(31 downto 20)
-    def s = instruction(31, 25) ## instruction(11, 7)
+    def s = instruction(31 downto 25) ## instruction(11 downto 7)
     def b = instruction(31) ## instruction(7) ## instruction(30 downto 25) ## instruction(11 downto 8)
     def u = instruction(31 downto 12) ## U"x000"
     def j = instruction(31) ## instruction(19 downto 12) ## instruction(20) ## instruction(30 downto 21)