diff --git a/js/ui/barLevel.js b/js/ui/barLevel.js
index 78aa03048..ea295f1e8 100644
--- a/js/ui/barLevel.js
+++ b/js/ui/barLevel.js
@@ -42,7 +42,12 @@ var BarLevel = class {
         if (isNaN(value))
             throw TypeError('The bar level value must be a number');
 
-        this._value = Math.max(Math.min(value, this._maxValue), 0);
+        value = Math.max(Math.min(value, this._maxValue), 0);
+
+        if (this._value == value)
+            return;
+
+        this._value = value;
         this.actor.queue_repaint();
     }
 
@@ -56,7 +61,12 @@ var BarLevel = class {
         if (isNaN(value))
             throw TypeError('The bar level max value must be a number');
 
-        this._maxValue = Math.max(value, 1);
+        value = Math.max(value, 1);
+
+        if (this._maxValue == value)
+            return;
+
+        this._maxValue = value;
         this._overdriveStart = Math.min(this._overdriveStart, this._maxValue);
         this.actor.queue_repaint();
     }
@@ -70,6 +80,10 @@ var BarLevel = class {
     set overdrive_start(value) {
         if (isNaN(value))
             throw TypeError('The overdrive limit value must be a number');
+
+        if (this._overdriveStart == value)
+            return;
+
         if (value > this._maxValue)
             throw new Error(`Tried to set overdrive value to ${value}, ` +
                 `which is a number greater than the maximum allowed value ${this._maxValue}`);