diff --git a/syringefilled.cpp b/syringefilled.cpp
index aeaeacb69e0feac9dd6453865e8dae515efb0543..500091f37f30416563361df5a46d15ec6ee9c7aa 100644
--- a/syringefilled.cpp
+++ b/syringefilled.cpp
@@ -18,6 +18,7 @@ SyringeFilled :: SyringeFilled (MotorHardware_t& stepper): Motor(stepper)
     set_name_syringe("BD_10mL");
     set_screw_thread_mm(4);
     set_clockwise_equals_push(true);
+    set_syringe_pump_length_mm(50);
     set_emergency(false);
 
 }
@@ -58,6 +59,11 @@ void SyringeFilled :: set_clockwise_equals_push(bool clockwise_equals_push)
     syringe_filled_json["clockwise_equals_push"] = clockwise_equals_push;
 }
 
+void SyringeFilled :: set_syringe_pump_length_mm(float syringe_pump_length_mm)
+{
+    syringe_filled_json["syringe_pump_length_mm"] = syringe_pump_length_mm;
+}
+
 void SyringeFilled :: set_emergency(bool emergency)
 {
     syringe_filled_json["emergency"] = emergency;
@@ -97,7 +103,12 @@ float SyringeFilled :: get_screw_thread_mm()
 
 bool SyringeFilled :: get_clockwise_equals_push()
 {
-    return syringe_filled_json["clockwise_equals_push"].as<float>();
+    return syringe_filled_json["clockwise_equals_push"].as<bool>();
+}
+
+float SyringeFilled :: get_syringe_pump_length_mm()
+{
+    return syringe_filled_json["syringe_pump_length_mm"].as<float>();
 }
 
 bool SyringeFilled :: get_emergency()
@@ -176,11 +187,11 @@ void SyringeFilled :: move()
 
     if (where_step() == 0) //If we are putting the syringe for the first time
     {
-        move_to_mm(syringe_pump_length_mm - remaining_volume_mm3/section_mm2);
+        move_to_mm(get_syringe_pump_length_mm() - remaining_volume_mm3/section_mm2);
     }
     else 
     {
-        float initial_position_mm = syringe_pump_length_mm - remaining_volume_mm3/section_mm2;
+        float initial_position_mm = get_syringe_pump_length_mm() - remaining_volume_mm3/section_mm2;
         
         if (get_push()) //If we want to deliver some liquid
         {
diff --git a/syringefilled.h b/syringefilled.h
index 3c590a977eff9ac724ddfccfc0cd97f3a87561fe..4a5e224f4ab3aded6f4a491fd069e1de72db3470 100644
--- a/syringefilled.h
+++ b/syringefilled.h
@@ -11,7 +11,6 @@ using InterruptLock = esp8266::InterruptLock;
 
 #include "common.h"
 
-#define syringe_pump_length_mm 50
 
 class SyringeFilled : public Motor
 {
@@ -37,6 +36,7 @@ class SyringeFilled : public Motor
     //Syringe_Pump
     float _screw_thread_mm;
     bool _clockwise_equals_push;
+    float _syringe_pump_length_mm;
 
     //Limit_Switch
     bool _emergency;
@@ -58,6 +58,7 @@ class SyringeFilled : public Motor
     void set_name_syringe(String name_syringe);
     void set_screw_thread_mm(float screw_thread_mm);
     void set_clockwise_equals_push(bool clockwise_equals_push);
+    void set_syringe_pump_length_mm(float syringe_pump_length_mm);
     void set_emergency(bool emergency);
 
 
@@ -69,6 +70,7 @@ class SyringeFilled : public Motor
     String get_name_syringe();
     float get_screw_thread_mm();
     bool get_clockwise_equals_push();
+    float get_syringe_pump_length_mm();
     bool get_emergency();
     const StaticJsonDocument<200>& get_syringe_filled_data();
 
diff --git a/web.cpp b/web.cpp
index c22fd09b3fbebf6a7f3001e9e03dd06d10517b44..b1cfb33580dd83d07e88b5aa5d3db7df7e79db29 100644
--- a/web.cpp
+++ b/web.cpp
@@ -109,7 +109,7 @@ void web_setup ()
 
 
     //Features
-    syringe_pump_length_mm_bis  = ESPUI.addControl(ControlType::Number, "Longueur totale du pousse-seringue", "50", ControlColor::None, features, syringe_pump_length_mm_callback);
+    syringe_pump_length_mm_value  = ESPUI.addControl(ControlType::Number, "Longueur totale du pousse-seringue", "50", ControlColor::None, features, syringe_pump_length_mm_callback);
     lead_screw_pitch_mm = ESPUI.addControl(ControlType::Number, "Avance par tour", "0.7", ControlColor::None, features, number_callback);
     clockwise_equals_push_label = ESPUI.addControl(ControlType::Label, "Sens de rotation du moteur", "Horaire = Injection", ControlColor::None, features);
     clockwise_equals_push = ESPUI.addControl(ControlType::Switcher, "Sens de rotation du moteur", "Horaire =", ControlColor::None, clockwise_equals_push_label, clockwise_equals_push_callback);
@@ -602,12 +602,14 @@ void syringe_pump_length_mm_callback(Control* sender, int type)
 -Action   : Print the value of the number controller via the serial port.
 ***/
 {
+    syringe_filled.set_syringe_pump_length_mm(sender->type);
+
     Serial.println("syringe_pump_lenggth (sender->value)");
     Serial.println(String("Value: ") + String(sender->value));
     Serial.println(String("ID: ") + sender->id);
     Serial.println("");
     //Serial.println("syringe_pump_length (json value)");
-    //Serial.println(String("Value: ") + String(syringe_filled.get_syringe_pump_length()));
+    //Serial.println(String("Value: ") + String(syringe_filled.get_syringe_pump_length_mm()));
     //Serial.println("");
 }
 
@@ -836,7 +838,7 @@ void set_init_style()
 
 
     //features
-    style (syringe_pump_length_mm_bis, 3);
+    style (syringe_pump_length_mm_value, 3);
     style (lead_screw_pitch_mm, 3);
     style (clockwise_equals_push_label, 3);
     style (clockwise_equals_push, 3);
@@ -911,7 +913,7 @@ void web_loop ()
         //UPDATES
 
 
-        ESPUI.updateSlider(remaining_volume_mL, syringe_filled.step_to_mm(syringe_filled.where_step()*100/syringe_pump_length_mm));
+        ESPUI.updateSlider(remaining_volume_mL, syringe_filled.step_to_mm(syringe_filled.where_step()*100/syringe_filled.get_syringe_pump_length_mm()));
 
 
         //syringe_filled.update_remaining_volume();
diff --git a/web.h b/web.h
index 33eb7a0d164533e854ac8aca55a3afda5cfc9792..36d6325735f2aba7676830245cb5ea45a4753042 100644
--- a/web.h
+++ b/web.h
@@ -12,7 +12,6 @@
 
 #include <EEPROM.h>
 
-#define syringe_pump_length_mm 50
 
 //Create tabs
 uint16_t configurations, new_syringe, features;
@@ -44,7 +43,7 @@ uint16_t name_new_syringe, name_new_syringe_label, internal_diameter_mm_new_syri
 String name_new_syringe_value, total_volume_mL_new_syringe_value, internal_diameter_mm_new_syringe_value;
 
 //Features
-uint16_t syringe_pump_length_mm_bis;
+uint16_t syringe_pump_length_mm_value;
 uint16_t lead_screw_pitch_mm, clockwise_equals_push_label, clockwise_equals_push;