diff --git a/src/server/game/Entities/Vehicle/Vehicle.cpp b/src/server/game/Entities/Vehicle/Vehicle.cpp
index 7256c0a6e..f4f7d1559 100644
--- a/src/server/game/Entities/Vehicle/Vehicle.cpp
+++ b/src/server/game/Entities/Vehicle/Vehicle.cpp
@@ -344,6 +344,9 @@ bool Vehicle::AddPassenger(Unit* unit, int8 seatId)
         ASSERT(seat->second.IsEmpty());
     }
 
+    if (!seat->second.SeatInfo)
+        return false;
+
     LOG_DEBUG("vehicles", "Unit {} enter vehicle entry {} id {} ({}) seat {}",
         unit->GetName(), _me->GetEntry(), _vehicleInfo->m_ID, _me->GetGUID().ToString(), (int32)seat->first);