diff --git a/rpcs3/Emu/Cell/lv2/sys_memory.cpp b/rpcs3/Emu/Cell/lv2/sys_memory.cpp
index 2b7ad501ab..f1e9ae5509 100644
--- a/rpcs3/Emu/Cell/lv2/sys_memory.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_memory.cpp
@@ -1,4 +1,4 @@
-#include "stdafx.h"
+#include "stdafx.h"
 #include "Utilities/VirtualMemory.h"
 #include "Emu/IdManager.h"
 #include "sys_memory.h"
@@ -14,6 +14,8 @@ lv2_memory_alloca::lv2_memory_alloca(u32 size, u32 align, u64 flags, const std::
 {
 }
 
+// Todo: fix order of error checks
+
 error_code sys_memory_allocate(u32 size, u64 flags, vm::ptr<u32> alloc_addr)
 {
 	sys_memory.warning("sys_memory_allocate(size=0x%x, flags=0x%llx, alloc_addr=*0x%x)", size, flags, alloc_addr);
@@ -43,6 +45,12 @@ error_code sys_memory_allocate(u32 size, u64 flags, vm::ptr<u32> alloc_addr)
 		return CELL_ENOMEM;
 	}
 
+	if (!alloc_addr)
+	{
+		dct->used -= size;
+		return CELL_EFAULT;
+	}
+
 	// Allocate memory, write back the start address of the allocated area
 	*alloc_addr = verify(HERE, vm::alloc(size, align == 0x10000 ? vm::user64k : vm::user1m, align));
 
@@ -90,6 +98,12 @@ error_code sys_memory_allocate_from_container(u32 size, u32 cid, u64 flags, vm::
 		return ct.ret;
 	}
 
+	if (!alloc_addr)
+	{
+		ct->used -= size;
+		return CELL_EFAULT;
+	}
+
 	// Create phantom memory object
 	const auto mem = idm::make_ptr<lv2_memory_alloca>(size, align, flags, ct.ptr);