diff --git a/tests/Umbraco.Tests.UnitTests/Umbraco.Tests.UnitTests.csproj b/tests/Umbraco.Tests.UnitTests/Umbraco.Tests.UnitTests.csproj
index 13e59d5417..a111d5bd71 100644
--- a/tests/Umbraco.Tests.UnitTests/Umbraco.Tests.UnitTests.csproj
+++ b/tests/Umbraco.Tests.UnitTests/Umbraco.Tests.UnitTests.csproj
@@ -51,4 +51,10 @@
       <DependentUpon>ContentExtensionsTests.cs</DependentUpon>
     </Compile>
   </ItemGroup>
+
+  <ItemGroup>
+    <None Include="Umbraco.Core\Strings\TestData\*.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
 </Project>