diff --git a/rpcs3/Emu/Cell/Modules/cellFs.cpp b/rpcs3/Emu/Cell/Modules/cellFs.cpp
index 1ac9a05dfe..c0ca6a1ed8 100644
--- a/rpcs3/Emu/Cell/Modules/cellFs.cpp
+++ b/rpcs3/Emu/Cell/Modules/cellFs.cpp
@@ -1017,9 +1017,10 @@ s32 cellFsChangeFileSizeWithoutAllocation()
 	throw EXCEPTION("");
 }
 
-s32 cellFsAllocateFileAreaWithoutZeroFill()
+s32 cellFsAllocateFileAreaWithoutZeroFill(vm::cptr<char> path, u64 size)
 {
-	throw EXCEPTION("");
+	cellFs.warning("cellFsAllocateFileAreaWithoutZeroFill(path=*0x%x, size=0x%llx)", path, size);
+	return sys_fs_truncate(path, size);
 }
 
 s32 cellFsChangeFileSizeByFdWithoutAllocation()
diff --git a/rpcs3/Emu/Cell/lv2/sys_fs.cpp b/rpcs3/Emu/Cell/lv2/sys_fs.cpp
index de95dfebdd..ff18d94620 100644
--- a/rpcs3/Emu/Cell/lv2/sys_fs.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_fs.cpp
@@ -124,7 +124,12 @@ s32 sys_fs_open(vm::cptr<char> path, s32 flags, vm::ptr<u32> fd, s32 mode, vm::c
 
 s32 sys_fs_read(u32 fd, vm::ptr<void> buf, u64 nbytes, vm::ptr<u64> nread)
 {
-	sys_fs.trace("sys_fs_read(fd=%d, buf=0x%x, nbytes=0x%llx, nread=0x%x)", fd, buf, nbytes, nread);
+	sys_fs.trace("sys_fs_read(fd=%d, buf=*0x%x, nbytes=0x%llx, nread=*0x%x)", fd, buf, nbytes, nread);
+
+	if (!buf)
+	{
+		return CELL_EFAULT;
+	}
 
 	const auto file = idm::get<lv2_file_t>(fd);