diff --git a/include/PSX/System/IOPorts/cd_io.hpp b/include/PSX/System/IOPorts/cd_io.hpp
index 36249085..deacafff 100644
--- a/include/PSX/System/IOPorts/cd_io.hpp
+++ b/include/PSX/System/IOPorts/cd_io.hpp
@@ -168,7 +168,7 @@ namespace JabyEngine {
             static constexpr Desc GetStat{0x01, Interrupt::Type::Acknowledge};
             static constexpr Desc  SetLoc{0x02, Interrupt::Type::Acknowledge};
             static constexpr Desc    Play{0x03, Interrupt::Type::Acknowledge};
-            static constexpr Desc   ReadN{0x06, Interrupt::Type::Acknowledge};
+            static constexpr Desc   ReadN{0x06, Interrupt::Type::DataReady};
             static constexpr Desc   Pause{0x09, Interrupt::Type::Complete};
             static constexpr Desc    Init{0x0A, Interrupt::Type::Complete};
             static constexpr Desc  Demute{0x0C, Interrupt::Type::Acknowledge};
@@ -178,7 +178,7 @@ namespace JabyEngine {
             static constexpr Desc GetLocP{0x11, Interrupt::Type::Acknowledge};
             static constexpr Desc   GetTN{0x13, Interrupt::Type::Acknowledge};
             static constexpr Desc   GetTD{0x14, Interrupt::Type::Acknowledge};
-            static constexpr Desc   ReadS{0x1B, Interrupt::Type::Acknowledge};
+            static constexpr Desc   ReadS{0x1B, Interrupt::Type::DataReady};
         };
         
         static constexpr auto IORegister1Adr = 0x1F801801;