diff --git a/DynObj.cpp b/DynObj.cpp
index bfa57726..e7ca5c55 100644
--- a/DynObj.cpp
+++ b/DynObj.cpp
@@ -3899,7 +3899,7 @@ bool TDynamicObject::Update(double dt, double dt1)
         }
 
     // mirrors
-    if( MoverParameters->Vel > 5.0 ) {
+    if( MoverParameters->Vel > MoverParameters->MirrorVelClose ) {
         // automatically fold mirrors when above velocity threshold
         if( dMirrorMoveL > 0.0 ) {
             dMirrorMoveL = std::max(
diff --git a/McZapkie/MOVER.h b/McZapkie/MOVER.h
index 44924468..f46ea938 100644
--- a/McZapkie/MOVER.h
+++ b/McZapkie/MOVER.h
@@ -1312,6 +1312,7 @@ public:
     int PlatformOpenMethod { 2 }; /*sposob animacji stopnia*/
 #endif
     double MirrorMaxShift { 90.0 };
+	double MirrorVelClose { 5.0 };
 	bool ScndS = false; /*Czy jest bocznikowanie na szeregowej*/
 	bool SpeedCtrl = false; /*czy jest tempomat*/
 	speed_control SpeedCtrlUnit; /*parametry tempomatu*/
diff --git a/McZapkie/Mover.cpp b/McZapkie/Mover.cpp
index 7d3f3ec5..433beb95 100644
--- a/McZapkie/Mover.cpp
+++ b/McZapkie/Mover.cpp
@@ -9871,6 +9871,8 @@ void TMoverParameters::LoadFIZ_Doors( std::string const &line ) {
     if( platformopenmethod == "Shift" ) { Doors.step_type = 1; } // przesuw
 
     extract_value( MirrorMaxShift, "MirrorMaxShift", line, "" );
+	extract_value( MirrorVelClose, "MirrorVelClose", line, "");
+
 }
 
 void TMoverParameters::LoadFIZ_BuffCoupl( std::string const &line, int const Index ) {