Index: sources/gui/qml/components/Slider.qml
===================================================================
diff -u -rc9f8f8cf3c6c37fc6460d8675c62c9442c4d4263 -r1f2e7dbd08b00f8c56eedf29f083733570aa642e
--- sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision c9f8f8cf3c6c37fc6460d8675c62c9442c4d4263)
+++ sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 1f2e7dbd08b00f8c56eedf29f083733570aa642e)
@@ -82,12 +82,10 @@
 
     // real-time bound change should effect the current set value
     onMinimumChanged: {
-        minimum = minimum.toFixed(decimal)
         if (value < minimum )
             value = minimum
     }
     onMaximumChanged: {
-        maximum = maximum.toFixed(decimal)
         if (value > maximum )
             value = maximum
     }
@@ -115,24 +113,28 @@
 
     function setValue(x) {
         let mValue = 0
-        if ( x <     0 ) { mValue = minimum;                             update(mValue); return; }
-        if ( x > width ) { mValue = maximum;                             update(mValue); return; }
+        let mMinimum = Number(_root.minimum.toFixed(decimal))
+        let mMaximum = Number(_root.maximum.toFixed(decimal))
+        if ( x <     0 ) { mValue = mMinimum;                           update(mValue); return; }
+        if ( x > width ) { mValue = mMaximum;                           update(mValue); return; }
 
         mValue = getValueOfX(x)
 
-        if ( step === 1 ) { mValue = parseInt(mValue);                   update(mValue); return; }
+        if ( step === 1 ) { mValue = parseInt(mValue);                  update(mValue); return; }
 
         let start = 0
-        if ( ! stepSnap ) start = minimum
+        if ( ! stepSnap ) start = mMinimum
         mValue = Math.round((mValue - start) / step) * step + start
 
         let decimals = Math.round(-Math.log10(step))
-        if (decimals > 0) mValue = mValue.toFixed(decimals)
+        if (decimals > 0) {
+            mValue = mValue.toFixed(decimals)
+        }
 
-        if ( mValue < minimum ) { mValue = minimum;                       update(mValue); return; }
-        if ( mValue > maximum ) { mValue = maximum;                       update(mValue); return; }
+        if ( mValue < mMinimum ) { mValue = mMinimum;                   update(mValue); return; }
+        if ( mValue > mMaximum ) { mValue = mMaximum;                   update(mValue); return; }
 
-                                                                          update(mValue); return;
+                                                                        update(mValue); return;
     }
 
     function setHandlerPosition() {