diff --git a/src/core/file_sys/ticket.cpp b/src/core/file_sys/ticket.cpp
index 4a62b297b..2b6926adc 100644
--- a/src/core/file_sys/ticket.cpp
+++ b/src/core/file_sys/ticket.cpp
@@ -47,6 +47,7 @@ std::optional<std::array<u8, 16>> Ticket::GetTitleKey() const {
     std::memcpy(ctr.data(), &ticket_body.title_id, sizeof(u64));
     HW::AES::SelectCommonKeyIndex(ticket_body.common_key_index);
     if (!HW::AES::IsNormalKeyAvailable(HW::AES::KeySlotID::TicketCommonKey)) {
+        LOG_ERROR(Service_FS, "CommonKey {} missing", ticket_body.common_key_index);
         return {};
     }
     auto key = HW::AES::GetNormalKey(HW::AES::KeySlotID::TicketCommonKey);