diff --git a/rocket/src/main/scala/instructions.scala b/rocket/src/main/scala/instructions.scala
index ea790740..0b23c3cd 100644
--- a/rocket/src/main/scala/instructions.scala
+++ b/rocket/src/main/scala/instructions.scala
@@ -146,8 +146,8 @@ object Instructions
   val FMAX_S     = Bits("b?????_?????_?????_11001_000_00_1010011",32);
   val FMIN_D     = Bits("b?????_?????_?????_11000_000_01_1010011",32);
   val FMAX_D     = Bits("b?????_?????_?????_11001_000_01_1010011",32);
-  val MFTX_S     = Bits("b?????_00000_?????_11100_000_00_1010011",32);
-  val MFTX_D     = Bits("b?????_00000_?????_11100_000_01_1010011",32);
+  val MFTX_S     = Bits("b?????_?????_00000_11100_000_00_1010011",32);
+  val MFTX_D     = Bits("b?????_?????_00000_11100_000_01_1010011",32);
   val MFFSR      = Bits("b?????_00000_00000_11101_000_00_1010011",32);
   val MXTF_S     = Bits("b?????_?????_00000_11110_000_00_1010011",32);
   val MXTF_D     = Bits("b?????_?????_00000_11110_000_01_1010011",32);