diff --git a/app.go b/app.go
index c96cb48..556ae75 100644
--- a/app.go
+++ b/app.go
@@ -9567,6 +9567,22 @@ func (a *App) LogUDPLoggedADIF(adifText string) (int64, error) {
 	// MY_RIG / MY_ANTENNA) from the active profile. Without this a UDP /
 	// WSJT-X auto-logged QSO carried none of the operator's own data.
 	a.applyStationDefaults(&q, true)
+	// Live UDP logging belongs to the STATION you're operating in OpsLog right now:
+	// adopt the active profile's callsign even when the sender (MSHV/WSJT-X, often
+	// configured with a personal call) stamped a different STATION_CALLSIGN. Without
+	// this, a special-event/contest QSO (profile TM74TFR) kept MSHV's F4BPO and was
+	// then BLOCKED from uploading to the TM74TFR Club Log logbook by the mismatch
+	// guard. Portable variants of the same call are already fine, so only override
+	// when the base call genuinely differs.
+	if a.profiles != nil {
+		if p, err := a.profiles.Active(a.ctx); err == nil {
+			pc := strings.ToUpper(strings.TrimSpace(p.Callsign))
+			if pc != "" && !extsvc.SameBaseCall(q.StationCallsign, pc) {
+				applog.Printf("udp log: station callsign %q → active profile %q", q.StationCallsign, pc)
+				q.StationCallsign = pc
+			}
+		}
+	}
 
 	// ── DXCC# + QSL defaults ──
 	// applyDXCCNumber stamps the contacted-station DXCC# from the