diff --git a/src/add_imm_sh.s b/src/add_imm_sh.s
deleted file mode 100644
index 8271daa..0000000
--- a/src/add_imm_sh.s
+++ /dev/null
@@ -1,3 +0,0 @@
-add x0, x0, #1, lsl #12
-
-and x0, x0, x0
diff --git a/src/encode.c b/src/encode.c
index 8fc716d..1ab0d6a 100644
--- a/src/encode.c
+++ b/src/encode.c
@@ -99,7 +99,7 @@ word encodeDPRegister(a64inst_instruction inst) {
     a64inst_DPRegisterData data = inst.data.DPRegisterData;
     setBits(&wrd, 31, 32, data.regType); // sf
     setBits(&wrd, 29, 31, data.processOp); // opc
-    setBits(&wrd, 28, 28, data.DPROpType); // M
+    setBits(&wrd, 28, 29, data.DPROpType); // M
     setBits(&wrd, 25 ,28, 0x5);
     setBits(&wrd, 16, 21, data.src2); // src2 
     setBits(&wrd, 5, 10, data.src1); // src1