diff --git a/rpcs3/Emu/Cell/lv2/lv2.cpp b/rpcs3/Emu/Cell/lv2/lv2.cpp
index 24e57b4a8c..65777722ae 100644
--- a/rpcs3/Emu/Cell/lv2/lv2.cpp
+++ b/rpcs3/Emu/Cell/lv2/lv2.cpp
@@ -746,7 +746,7 @@ const std::array<ppu_function_t, 1024> s_ppu_syscall_table
 	null_func,//BIND_FUNC(sys_fs_mount),                    //837 (0x345)
 	null_func,//BIND_FUNC(sys_fs_unmount),                  //838 (0x346)
 	null_func,//BIND_FUNC(sys_fs_sync),                     //839 (0x347)
-	null_func,//BIND_FUNC(sys_fs_disk_free),                //840 (0x348)
+	BIND_FUNC(sys_fs_disk_free),                            //840 (0x348)
 	null_func,//BIND_FUNC(sys_fs_get_mount_info_size),      //841 (0x349)
 	null_func,//BIND_FUNC(sys_fs_get_mount_info),           //842 (0x34A)
 	null_func,//BIND_FUNC(sys_fs_get_fs_info_size),         //843 (0x34B)
diff --git a/rpcs3/Emu/Cell/lv2/sys_fs.cpp b/rpcs3/Emu/Cell/lv2/sys_fs.cpp
index 205a20765f..4b53ce8dba 100644
--- a/rpcs3/Emu/Cell/lv2/sys_fs.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_fs.cpp
@@ -1166,6 +1166,28 @@ error_code sys_fs_chown(vm::cptr<char> path, s32 uid, s32 gid)
 	return CELL_OK;
 }
 
+error_code sys_fs_disk_free(vm::ps3::cptr<char> path, vm::ptr<u64> total_free, vm::ptr<u64> avail_free)
+{
+	sys_fs.warning("sys_fs_disk_free(path=%s total_free=*0x%x avail_free=*0x%x)", path, total_free, avail_free);
+
+	fs::device_stat info;
+	if (!fs::statfs(vfs::get(path.get_ptr()), info))
+	{
+		switch (auto error = fs::g_tls_error)
+		{
+		case fs::error::noent: return CELL_ENOENT;
+		default: sys_fs.error("sys_fs_disk_free(): unknown error %s", error);
+		}
+
+		return CELL_EIO;  // ???
+	}
+
+	*total_free = info.total_free;
+	*avail_free = info.avail_free; //Only value used by cellFsGetFreeSize
+
+	return CELL_OK;
+}
+
 error_code sys_fs_utime(vm::ps3::cptr<char> path, vm::ps3::cptr<CellFsUtimbuf> timep)
 {
 	sys_fs.warning("sys_fs_utime(path=%s, timep=*0x%x)", path, timep);
diff --git a/rpcs3/Emu/Cell/lv2/sys_fs.h b/rpcs3/Emu/Cell/lv2/sys_fs.h
index ae596ccea9..d4d1a070d3 100644
--- a/rpcs3/Emu/Cell/lv2/sys_fs.h
+++ b/rpcs3/Emu/Cell/lv2/sys_fs.h
@@ -368,6 +368,7 @@ error_code sys_fs_ftruncate(u32 fd, u64 size);
 error_code sys_fs_symbolic_link(vm::ps3::cptr<char> target, vm::ps3::cptr<char> linkpath);
 error_code sys_fs_chmod(vm::ps3::cptr<char> path, s32 mode);
 error_code sys_fs_chown(vm::ps3::cptr<char> path, s32 uid, s32 gid);
+error_code sys_fs_disk_free(vm::ps3::cptr<char> path, vm::ps3::ptr<u64> total_free, vm::ps3::ptr<u64> avail_free);
 error_code sys_fs_utime(vm::ps3::cptr<char> path, vm::ps3::cptr<CellFsUtimbuf> timep);
 error_code sys_fs_acl_read(vm::ps3::cptr<char> path, vm::ps3::ptr<void>);
 error_code sys_fs_acl_write(vm::ps3::cptr<char> path, vm::ps3::ptr<void>);