diff --git a/runtime/Microsoft.Blazor.Mono/Microsoft.Blazor.Mono.csproj b/runtime/Microsoft.Blazor.Mono/Microsoft.Blazor.Mono.csproj
index e2e87eb82a..5c9008132e 100644
--- a/runtime/Microsoft.Blazor.Mono/Microsoft.Blazor.Mono.csproj
+++ b/runtime/Microsoft.Blazor.Mono/Microsoft.Blazor.Mono.csproj
@@ -6,8 +6,7 @@
     <TargetFramework>netcoreapp2.0</TargetFramework>
   </PropertyGroup>
 
-  <Target Name="PackageMono" BeforeTargets="Build">
-    <CallTarget Targets="OptimizeMono" />
+  <Target Name="PackageMono" BeforeTargets="Build" DependsOnTargets="OptimizeMono">
   </Target>
 
 </Project>