diff --git a/Assets/Scripts/UI/Control/PFUISlider.cs b/Assets/Scripts/UI/Control/PFUISlider.cs
index b24607ba..de547982 100644
--- a/Assets/Scripts/UI/Control/PFUISlider.cs
+++ b/Assets/Scripts/UI/Control/PFUISlider.cs
@@ -35,20 +35,29 @@ public class PFUISlider : MonoBehaviour
         });
     }
     public bool runCallback = false;
+    private bool ondraging = false;
     public void SetValueChanged(System.Action<float> a)
     {
         this.ValueChangedHandler = a;
         slider = transform.GetComponent<Slider>();
         slider.onValueChanged.RemoveAllListeners();
+        
+        UIManager.AddEvent(slider.gameObject, EventTriggerType.BeginDrag, (e) =>
+        {
+            ondraging = true;
+        });
 
         UIManager.AddEvent(slider.gameObject, EventTriggerType.EndDrag, (e) =>
         {
+            ondraging = false;
             OnValueChanged();
         });
 
         slider.onValueChanged.AddListener((f) =>
         {
             current = f;
+            if(!ondraging)
+                OnValueChanged();
         });
     }