diff --git a/src/core/hle/ipc.h b/src/core/hle/ipc.h
index c9257de776..eaa5395ac4 100644
--- a/src/core/hle/ipc.h
+++ b/src/core/hle/ipc.h
@@ -29,7 +29,10 @@ enum class ControlCommand : u32 {
 };
 
 enum class CommandType : u32 {
+    Invalid = 0,
+    LegacyRequest = 1,
     Close = 2,
+    LegacyControl = 3,
     Request = 4,
     Control = 5,
     RequestWithContext = 6,