diff --git a/FileDbCache/WPF/FileDbCache.WPF.csproj b/FileDbCache/WPF/FileDbCache.WPF.csproj
index c97e9b99..c5dbb66f 100644
--- a/FileDbCache/WPF/FileDbCache.WPF.csproj
+++ b/FileDbCache/WPF/FileDbCache.WPF.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>MapControl.Caching</RootNamespace>
     <AssemblyName>FileDbCache.WPF</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>
diff --git a/MBTiles/WPF/MBTiles.WPF.csproj b/MBTiles/WPF/MBTiles.WPF.csproj
index 9bad055c..f7214a48 100644
--- a/MBTiles/WPF/MBTiles.WPF.csproj
+++ b/MBTiles/WPF/MBTiles.WPF.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>MapControl</RootNamespace>
     <AssemblyName>MBTiles.WPF</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
     <NuGetPackageImportStamp>
diff --git a/MapControl/WPF/MapControl.WPF.csproj b/MapControl/WPF/MapControl.WPF.csproj
index 9c7b4b58..fb0d205a 100644
--- a/MapControl/WPF/MapControl.WPF.csproj
+++ b/MapControl/WPF/MapControl.WPF.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>MapControl</RootNamespace>
     <AssemblyName>MapControl.WPF</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WarningLevel>4</WarningLevel>
diff --git a/MapControl/WPF/MapGraticule.WPF.cs b/MapControl/WPF/MapGraticule.WPF.cs
index 4bf06d48..58727bfe 100644
--- a/MapControl/WPF/MapGraticule.WPF.cs
+++ b/MapControl/WPF/MapGraticule.WPF.cs
@@ -66,13 +66,14 @@ namespace MapControl
                 var latLabels = new List<Label>((int)((boundingBox.North - latLabelStart) / lineDistance) + 1);
                 var lonLabels = new List<Label>((int)((boundingBox.East - lonLabelStart) / lineDistance) + 1);
                 var typeface = new Typeface(FontFamily, FontStyle, FontWeight, FontStretch);
+                var pixelsPerDpi = VisualTreeHelper.GetDpi(this).PixelsPerDip;
                 var pen = CreatePen();
 
                 for (var lat = latLabelStart; lat <= boundingBox.North; lat += lineDistance)
                 {
                     latLabels.Add(new Label(lat, new FormattedText(
                         GetLabelText(lat, labelFormat, "NS"),
-                        CultureInfo.InvariantCulture, FlowDirection.LeftToRight, typeface, FontSize, Foreground, 1d)));
+                        CultureInfo.InvariantCulture, FlowDirection.LeftToRight, typeface, FontSize, Foreground, pixelsPerDpi)));
 
                     drawingContext.DrawLine(pen,
                         projection.LocationToViewportPoint(new Location(lat, boundingBox.West)),
@@ -83,7 +84,7 @@ namespace MapControl
                 {
                     lonLabels.Add(new Label(lon, new FormattedText(
                         GetLabelText(Location.NormalizeLongitude(lon), labelFormat, "EW"),
-                        CultureInfo.InvariantCulture, FlowDirection.LeftToRight, typeface, FontSize, Foreground, 1d)));
+                        CultureInfo.InvariantCulture, FlowDirection.LeftToRight, typeface, FontSize, Foreground, pixelsPerDpi)));
 
                     drawingContext.DrawLine(pen,
                         projection.LocationToViewportPoint(new Location(boundingBox.South, lon)),
diff --git a/MapProjections/WPF/MapProjections.WPF.csproj b/MapProjections/WPF/MapProjections.WPF.csproj
index fdd2085c..f540e4e1 100644
--- a/MapProjections/WPF/MapProjections.WPF.csproj
+++ b/MapProjections/WPF/MapProjections.WPF.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>MapControl.Projections</RootNamespace>
     <AssemblyName>MapProjections.WPF</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WarningLevel>4</WarningLevel>