diff --git a/TestAssets/TestProjects/LibraryWithTfm/xamarinwatchos/xamarinwatchos.csproj b/TestAssets/TestProjects/LibraryWithTfm/xamarinwatchos/xamarinwatchos.csproj
index e472a33adb15..68a70476a808 100644
--- a/TestAssets/TestProjects/LibraryWithTfm/xamarinwatchos/xamarinwatchos.csproj
+++ b/TestAssets/TestProjects/LibraryWithTfm/xamarinwatchos/xamarinwatchos.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>xamarinwatchos</TargetFrameworks>
+    <TargetFramework>xamarinwatchos</TargetFramework>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />