diff --git a/src/Directory.Build.targets b/src/Directory.Build.targets
index 1ddcba6..8f529fa 100644
--- a/src/Directory.Build.targets
+++ b/src/Directory.Build.targets
@@ -1,4 +1,8 @@
 <Project>
+  <PropertyGroup>
+    <!-- Workaround https://github.com/dotnet/wpf/issues/1718 -->
+    <EmbedUntrackedSources Condition=" '$(UseWPF)' == 'true' ">false</EmbedUntrackedSources>
+  </PropertyGroup>
   <PropertyGroup Condition=" '$(IsTestProject)' == 'true' ">
     <CoverletOutputFormat>cobertura</CoverletOutputFormat>
     <Exclude>[xunit.*]*</Exclude>