diff --git a/src/core/libraries/ngs2/ngs2_impl.h b/src/core/libraries/ngs2/ngs2_impl.h
index 7be0f89cc..575498c2a 100644
--- a/src/core/libraries/ngs2/ngs2_impl.h
+++ b/src/core/libraries/ngs2/ngs2_impl.h
@@ -30,8 +30,9 @@ struct OrbisNgs2SystemOption {
     u32 aReserved[6];
 };
 
-typedef s32 (*OrbisNgs2BufferAllocHandler)(OrbisNgs2ContextBufferInfo* ioBufferInfo);
-typedef s32 (*OrbisNgs2BufferFreeHandler)(OrbisNgs2ContextBufferInfo* ioBufferInfo);
+
+using OrbisNgs2BufferAllocHandler = s32 PS4_SYSV_ABI (*)(OrbisNgs2ContextBufferInfo* io_buffer_info);
+using OrbisNgs2BufferFreeHandler = s32 PS4_SYSV_ABI (*)(OrbisNgs2ContextBufferInfo* io_buffer_info);
 
 struct OrbisNgs2SystemInfo {
     char name[ORBIS_NGS2_SYSTEM_NAME_LENGTH]; // 0