diff --git a/src/core/stratum_server.cpp b/src/core/stratum_server.cpp
index a979cbe1e..f72da1a7e 100644
--- a/src/core/stratum_server.cpp
+++ b/src/core/stratum_server.cpp
@@ -936,6 +936,7 @@ nlohmann::json StratumSession::handle_submit(const nlohmann::json& params, const
                      << ": block template changed (job=" << job_id
                      << " job_prev=" << job_it->second.gbt_prevhash.substr(0, 16)
                      << " current_prev=" << current_prevhash.substr(0, 16) << ")";
+            ++doa_shares_;
             // DON'T set job.stale_info here — it would break ref_hash.
             // The share is still created and broadcast (matches p2pool behavior).
             // DOA tracking is for statistics/dashboard only.
diff --git a/src/core/stratum_server.hpp b/src/core/stratum_server.hpp
index 33f0f147d..7d6e68993 100644
--- a/src/core/stratum_server.hpp
+++ b/src/core/stratum_server.hpp
@@ -154,6 +154,7 @@ class StratumSession : public std::enable_shared_from_this<StratumSession>
     uint64_t accepted_shares_ = 0;
     uint64_t rejected_shares_ = 0;
     uint64_t stale_shares_    = 0;
+    uint64_t doa_shares_      = 0;  // block-template changed at submit (live-vs-frozen prevhash mismatch); accounting only, share still broadcasts
     std::chrono::steady_clock::time_point connected_at_;
     std::string session_id_;