diff --git a/src/a64instruction_DPRegister.h b/src/a64instruction_DPRegister.h
index d82510a..ecf2f2c 100644
--- a/src/a64instruction_DPRegister.h
+++ b/src/a64instruction_DPRegister.h
@@ -27,8 +27,8 @@ typedef enum {
 // Holds data specific to arithmetic/logic register data processing instructions
 typedef struct {
     enum {
-        a64inst_DPR_ARITHM = 0,
-        a64inst_DPR_LOGIC = 1
+        a64inst_DPR_ARITHM = 1,
+        a64inst_DPR_LOGIC = 0
     } type;
     a64inst_ShiftType shiftType;
     uint8_t shiftAmount;