diff --git a/rpcs3/Emu/SysCalls/Modules/cellPngDec.h b/rpcs3/Emu/SysCalls/Modules/cellPngDec.h
index 77f9ce56fb..2337b4f38b 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellPngDec.h
+++ b/rpcs3/Emu/SysCalls/Modules/cellPngDec.h
@@ -116,4 +116,11 @@ struct CellPngDecSubHandle
 	CellPngDecInfo info;
 	CellPngDecOutParam outParam;
 	CellPngDecSrc src;
-};
\ No newline at end of file
+};
+
+struct CellPngDecMainHandle
+{
+	u32 mainHandle;
+	u32 threadInParam;
+	u32 threadOutParam;
+};