diff --git a/src/arch/x86/isa/decoder/one_byte_opcodes.isa b/src/arch/x86/isa/decoder/one_byte_opcodes.isa
index 8219d0ba8..c29133a5c 100644
--- a/src/arch/x86/isa/decoder/one_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/one_byte_opcodes.isa
@@ -237,10 +237,10 @@
             0x7: xchg_Ev_Gv();
         }
         0x11: decode OPCODE_OP_BOTTOM3 {
-            0x0: MOV();
-            0x1: MOV();
-            0x2: MOV();
-            0x3: MOV();
+            0x0: Inst::MOV(Eb,Gb);
+            0x1: Inst::MOV(Ev,Gv);
+            0x2: Inst::MOV(Gb,Eb);
+            0x3: Inst::MOV(Gv,Eb);
             0x4: mov_MwRv_Sw(); //What to do with this one?
             0x5: lea_Gv_M();
             0x6: mov_Sw_MwRv();
diff --git a/src/arch/x86/isa/insts/data_transfer/move.py b/src/arch/x86/isa/insts/data_transfer/move.py
index d1d1c1f01..acfe2f516 100644
--- a/src/arch/x86/isa/insts/data_transfer/move.py
+++ b/src/arch/x86/isa/insts/data_transfer/move.py
@@ -53,7 +53,11 @@
 #
 # Authors: Gabe Black
 
-microcode = ""
+microcode = '''
+def macroop MOV{
+    mov "env.reg", "env.reg", "env.regm"
+};
+'''
 #let {{
 #    class MOV(Inst):
 #	"Mov ^0 ^0 ^1"