diff --git a/Source/Core/Core/IPC_HLE/WII_IPC_HLE.cpp b/Source/Core/Core/IPC_HLE/WII_IPC_HLE.cpp
index ea22ea17ef..a10818c711 100644
--- a/Source/Core/Core/IPC_HLE/WII_IPC_HLE.cpp
+++ b/Source/Core/Core/IPC_HLE/WII_IPC_HLE.cpp
@@ -68,8 +68,8 @@ static std::map<u32, std::shared_ptr<IWII_IPC_HLE_Device>> s_device_map;
 static std::mutex s_device_map_mutex;
 
 // STATE_TO_SAVE
-#define IPC_MAX_FDS 0x18
-#define ES_MAX_COUNT 2
+constexpr u8 IPC_MAX_FDS = 0x18;
+constexpr u8 ES_MAX_COUNT = 2;
 static std::shared_ptr<IWII_IPC_HLE_Device> s_fdmap[IPC_MAX_FDS];
 static std::shared_ptr<IWII_IPC_HLE_Device> s_es_handles[ES_MAX_COUNT];