diff --git a/src/decode.c b/src/decode.c
index 77c47b7..9ee999d 100644
--- a/src/decode.c
+++ b/src/decode.c
@@ -24,16 +24,16 @@ a64inst_instruction *decode(word wrd) {
 
     word DPImmFlag = getBits(wrd, DATA_PROCESSING_DPIMM_LSB, DATA_PROCESSING_DPIMM_MSB);
     if (wrd == HALT_WORD) {
-        inst->type = a64inst_Halt;
+        inst->type = a64inst_HALT;
         
     } else if (DPImmFlag == 0) {
-        inst->type = a64inst_DPImmediate;
+        inst->type = a64inst_DPIMMEDIATE;
 
     }else if (DPImmFlag == 1) {
-        inst->type = a64inst_Branch;
+        inst->type = a64inst_BRANCH;
 
-    } else if (getBits(wrd, DATA_PROCESSING_DPReg_LSB, DATA_PROCESSING_DPReg_MSB) == 1) {
-        inst->type = a64inst_DPRegister;
+    } else if (getBits(wrd, DATA_PROCESSING_DPREG_LSB, DATA_PROCESSING_DPREG_MSB) == 1) {
+        inst->type = a64inst_DPREGISTER;
 
     } else {
         // Load and Store, or unknown
diff --git a/src/decode.h b/src/decode.h
index c24c235..7eaa2fa 100644
--- a/src/decode.h
+++ b/src/decode.h
@@ -7,7 +7,7 @@
 #define DATA_PROCESSING_DPIMM_LSB 26
 #define DATA_PROCESSING_DPIMM_MSB 29
 
-#define DATA_PROCESSING_DPReg_LSB 25
-#define DATA_PROCESSING_DPReg_MSB 26
+#define DATA_PROCESSING_DPREG_LSB 25
+#define DATA_PROCESSING_DPREG_MSB 26
 
 a64inst_instruction *decode(word w);
\ No newline at end of file