diff --git a/McZapkie/MOVER.h b/McZapkie/MOVER.h
index 8d469041..7d048d5f 100644
--- a/McZapkie/MOVER.h
+++ b/McZapkie/MOVER.h
@@ -959,6 +959,7 @@ private:
         std::array<basic_door, 2> instances; // door on the right and left side of the vehicle
         // ld outputs
         bool is_locked { false };
+		double doorLockSpeed = 10.0; // predkosc przy ktorej wyzwalana jest blokada drzwi
     };
 
     struct water_heater {
diff --git a/McZapkie/Mover.cpp b/McZapkie/Mover.cpp
index 7d030eed..87545bc2 100644
--- a/McZapkie/Mover.cpp
+++ b/McZapkie/Mover.cpp
@@ -8617,8 +8617,7 @@ TMoverParameters::update_doors( double const Deltatime ) {
 
     Doors.is_locked =
         ( true == Doors.has_lock )
-     && ( true == Doors.lock_enabled )
-     && ( Vel >= 10.0 );
+     && ( true == Doors.lock_enabled ) && (Vel >= doorLockSpeed);
 
     for( auto &door : Doors.instances ) {
         // revoke permit if...
@@ -10292,7 +10291,7 @@ void TMoverParameters::LoadFIZ_Doors( std::string const &line ) {
     extract_value( Doors.has_warning, "DoorClosureWarning", line, "" );
     extract_value( Doors.has_autowarning, "DoorClosureWarningAuto", line, "" );
     extract_value( Doors.has_lock, "DoorBlocked", line, "" );
-
+	extract_value(Doors.doorLockSpeed, "DoorLockSpeed", line, "");
     {
         auto const remotedoorcontrol {
             ( Doors.open_control == control_t::driver )