diff --git a/build/templates/UmbracoProject/UmbracoProject.csproj b/build/templates/UmbracoProject/UmbracoProject.csproj
index 3fa1eb2f36..6b47686415 100644
--- a/build/templates/UmbracoProject/UmbracoProject.csproj
+++ b/build/templates/UmbracoProject/UmbracoProject.csproj
@@ -12,9 +12,13 @@
     </ItemGroup>
 
     <!-- Force windows to use ICU. Otherwise Windows 10 2019H1+ will do it, but older windows 10 and most if not all winodws servers will run NLS -->
-    <ItemGroup Condition="'$(OS)' == 'Windows_NT'">
-        <PackageReference Include="Microsoft.ICU.ICU4C.Runtime" Version="68.2.0.9" />
-        <RuntimeHostConfigurationOption Include="System.Globalization.AppLocalIcu" Value="68.2" />
+    <ItemGroup>
+      <PackageReference Include="Microsoft.ICU.ICU4C.Runtime" Version="68.2.0.9" />
+
+      <RuntimeHostConfigurationOption
+        Condition="$(RuntimeIdentifier.StartsWith('linux')) Or $(RuntimeIdentifier.StartsWith('win')) Or ('$(RuntimeIdentifier)' == '' And !$([MSBuild]::IsOSPlatform('osx')))"
+        Include="System.Globalization.AppLocalIcu"
+        Value="68.2.0.9" />
     </ItemGroup>
 
     <Import Project="..\PackageTestSiteName\build\PackageTestSiteName.targets" Condition="'$(PackageTestSiteName)' != ''" />
diff --git a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
index ec4d3c1798..b584606f4f 100644
--- a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
+++ b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
@@ -19,6 +19,15 @@
   </ItemGroup>
   
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.ICU.ICU4C.Runtime" Version="68.2.0.9" />
+
+    <RuntimeHostConfigurationOption
+      Condition="$(RuntimeIdentifier.StartsWith('linux')) Or $(RuntimeIdentifier.StartsWith('win')) Or ('$(RuntimeIdentifier)' == '' And !$([MSBuild]::IsOSPlatform('osx')))"
+      Include="System.Globalization.AppLocalIcu"
+      Value="68.2.0.9" />
+  </ItemGroup>
+
   <ItemGroup>
     <Folder Include="App_Plugins" />
     <Folder Include="Views" />
@@ -92,7 +101,7 @@
     <Message Text="-CheckPreconditions-" Importance="high" />
     <Message Text="JsonSchemaPath:  $(JsonSchemaPath)" Importance="high" />
     <Message Text="BellePath:       $(BellePath)" Importance="high" />
-    
+
     <!-- Build Belle, if building is Visual Studio and the build folder does not exist yet -->
     <Message Text="Skip Belle because UmbracoBuild is '$(UmbracoBuild)' (this is not Visual Studio)." Importance="High" Condition="'$(UmbracoBuild)' != ''" />
     <Message Text="Skip Belle because $(BellePath) exists." Importance="High" Condition="Exists('$(BellePath)')" />