diff --git a/MapControl/Avalonia/MapGraticule.Avalonia.cs b/MapControl/Avalonia/MapGraticule.Avalonia.cs
index 3f4fb166..ed629495 100644
--- a/MapControl/Avalonia/MapGraticule.Avalonia.cs
+++ b/MapControl/Avalonia/MapGraticule.Avalonia.cs
@@ -124,6 +124,7 @@ namespace MapControl
             var figure = new PathFigure
             {
                 StartPoint = points.First(),
+                IsClosed = false,
                 IsFilled = false
             };
 
diff --git a/MapControl/WPF/MapGraticule.WPF.cs b/MapControl/WPF/MapGraticule.WPF.cs
index 7b86937d..14e0b804 100644
--- a/MapControl/WPF/MapGraticule.WPF.cs
+++ b/MapControl/WPF/MapGraticule.WPF.cs
@@ -98,6 +98,7 @@ namespace MapControl
             var figure = new PathFigure
             {
                 StartPoint = points.First(),
+                IsClosed = false,
                 IsFilled = false
             };
 
diff --git a/MapControl/WinUI/MapGraticule.WinUI.cs b/MapControl/WinUI/MapGraticule.WinUI.cs
index 36f6fab9..b447b8c0 100644
--- a/MapControl/WinUI/MapGraticule.WinUI.cs
+++ b/MapControl/WinUI/MapGraticule.WinUI.cs
@@ -143,6 +143,7 @@ namespace MapControl
             var figure = new PathFigure
             {
                 StartPoint = points.First(),
+                IsClosed = false,
                 IsFilled = false
             };