diff --git a/src/LiveChartsCore/CoreLineSeries.cs b/src/LiveChartsCore/CoreLineSeries.cs
index 5075542f9..c3b865ef7 100644
--- a/src/LiveChartsCore/CoreLineSeries.cs
+++ b/src/LiveChartsCore/CoreLineSeries.cs
@@ -644,7 +644,7 @@ public override IDrawnElement GetMiniatureGeometry(ChartPoint? point)
     protected override Paint? GetMiniatureFill(ChartPoint? point, int zIndex)
     {
         var p = point is null ? null : ConvertToTypedChartPoint(point);
-        var paint = p?.Visual?.Fill ?? GeometryFill;
+        var paint = p?.Visual?.Fill ?? GeometryFill ?? Fill;
 
         return GetMiniaturePaint(paint, zIndex);
     }
@@ -653,7 +653,7 @@ public override IDrawnElement GetMiniatureGeometry(ChartPoint? point)
     protected override Paint? GetMiniatureStroke(ChartPoint? point, int zIndex)
     {
         var p = point is null ? null : ConvertToTypedChartPoint(point);
-        var paint = p?.Visual?.Fill ?? GeometryStroke;
+        var paint = p?.Visual?.Stroke ?? GeometryStroke ?? Stroke;
 
         return GetMiniaturePaint(paint, zIndex);
     }
diff --git a/src/LiveChartsCore/CorePolarLineSeries.cs b/src/LiveChartsCore/CorePolarLineSeries.cs
index 13a38d123..2fb0b6992 100644
--- a/src/LiveChartsCore/CorePolarLineSeries.cs
+++ b/src/LiveChartsCore/CorePolarLineSeries.cs
@@ -959,7 +959,7 @@ protected virtual LvcPoint GetLabelPolarPosition(
     protected virtual Paint? GetMiniatureFill(ChartPoint? point, int zIndex)
     {
         var p = point is null ? null : ConvertToTypedChartPoint(point);
-        var paint = p?.Visual?.Fill ?? GeometryFill;
+        var paint = p?.Visual?.Fill ?? GeometryFill ?? Fill;
 
         return GetMiniaturePaint(paint, zIndex);
     }
@@ -973,7 +973,7 @@ protected virtual LvcPoint GetLabelPolarPosition(
     protected virtual Paint? GetMiniatureStroke(ChartPoint? point, int zIndex)
     {
         var p = point is null ? null : ConvertToTypedChartPoint(point);
-        var paint = p?.Visual?.Stroke ?? GeometryStroke;
+        var paint = p?.Visual?.Stroke ?? GeometryStroke ?? Stroke;
 
         return GetMiniaturePaint(paint, zIndex);
     }
diff --git a/src/LiveChartsCore/CoreStepLineSeries.cs b/src/LiveChartsCore/CoreStepLineSeries.cs
index 028cce34b..65c8d8f65 100644
--- a/src/LiveChartsCore/CoreStepLineSeries.cs
+++ b/src/LiveChartsCore/CoreStepLineSeries.cs
@@ -553,7 +553,7 @@ public override IDrawnElement GetMiniatureGeometry(ChartPoint? point)
     protected override Paint? GetMiniatureFill(ChartPoint? point, int zIndex)
     {
         var p = point is null ? null : ConvertToTypedChartPoint(point);
-        var paint = p?.Visual?.Fill ?? GeometryFill;
+        var paint = p?.Visual?.Fill ?? GeometryFill ?? Fill;
 
         return GetMiniaturePaint(paint, zIndex);
     }
@@ -562,7 +562,7 @@ public override IDrawnElement GetMiniatureGeometry(ChartPoint? point)
     protected override Paint? GetMiniatureStroke(ChartPoint? point, int zIndex)
     {
         var p = point is null ? null : ConvertToTypedChartPoint(point);
-        var paint = p?.Visual?.Fill ?? GeometryStroke;
+        var paint = p?.Visual?.Stroke ?? GeometryStroke ?? Stroke;
 
         return GetMiniaturePaint(paint, zIndex);
     }