Index: sources/gui/qml/components/Slider.qml
===================================================================
diff -u -r61f16c988a159401c92730b4cbfca5085c77222f -r76d4131d70c18cbfaf47c242c17258e80161e8dc
--- sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 61f16c988a159401c92730b4cbfca5085c77222f)
+++ sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 76d4131d70c18cbfaf47c242c17258e80161e8dc)
@@ -114,7 +114,7 @@
         if ( ! stepSnap ) start = minimum
         value = Math.round((value - start) / step) * step + start
         let decimals = Math.round(-Math.log10(step))
-        if (decimals >= 0) value = value.toFixed(decimals)
+        if (decimals > 0) value = value.toFixed(decimals)
 
         if ( value < minimum ) { value = minimum;                       return; }
         if ( value > maximum ) { value = maximum;                       return; }