diff --git a/rpcs3/Emu/SysCalls/Modules/cellPngDec.h b/rpcs3/Emu/SysCalls/Modules/cellPngDec.h
index a411d704d6..54444e1c81 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellPngDec.h
+++ b/rpcs3/Emu/SysCalls/Modules/cellPngDec.h
@@ -97,9 +97,9 @@ struct CellPngDecThreadInParam
 	be_t<u32> ppuThreadPriority;
 	be_t<u32> spuThreadPriority;
 	vm::bptr<CellPngDecCbControlMalloc> cbCtrlMallocFunc;
-	be_t<vm::ptr<void>> cbCtrlMallocArg; // rough attempt (it's hard to pass vm::bptr as vm::ptr in function argument)
+	vm::bptr<void> cbCtrlMallocArg;
 	vm::bptr<CellPngDecCbControlFree> cbCtrlFreeFunc;
-	be_t<vm::ptr<void>> cbCtrlFreeArg;
+	vm::bptr<void> cbCtrlFreeArg;
 };
 
 struct CellPngDecExtThreadInParam