diff --git a/rpcs3/Emu/Cell/Modules/cellGame.cpp b/rpcs3/Emu/Cell/Modules/cellGame.cpp
index 064c2f5d32..e5325335fe 100644
--- a/rpcs3/Emu/Cell/Modules/cellGame.cpp
+++ b/rpcs3/Emu/Cell/Modules/cellGame.cpp
@@ -760,13 +760,19 @@ s32 cellGameThemeInstallFromBuffer()
 s32 cellDiscGameGetBootDiscInfo(vm::ptr<CellDiscGameSystemFileParam> getParam)
 {
 	cellGame.warning("cellDiscGameGetBootDiscInfo(getParam=*0x%x)", getParam);
-	//this should only appear in disc games
+
+	// This is also called by non-disc games, see NPUB90029
 	const std::string dir = "/dev_bdvd/PS3_GAME"s;
 
 	if (!fs::is_dir(vfs::get(dir)))
 	{
+		// Not a disc game. TODO: Fetch PARAM.SFO from proper game dir
 		cellGame.warning("cellDiscGameGetBootDiscInfo(): directory '%s' not found", dir);
+		getParam->parentalLevel = 0;
+		strcpy_trunc(getParam->titleId, "0");
+		return CELL_OK;
 	}
+
 	const auto& psf = psf::load_object(fs::file(vfs::get(dir + "/PARAM.SFO")));
 
 	if (psf.count("PARENTAL_LEVEL") != 0) getParam->parentalLevel = psf.at("PARENTAL_LEVEL").as_integer();