diff --git a/src/libraries/System.Net.WebSockets.Client/tests/wasm/System.Net.WebSockets.Client.Wasm.Tests.csproj b/src/libraries/System.Net.WebSockets.Client/tests/wasm/System.Net.WebSockets.Client.Wasm.Tests.csproj
index 296136cf1c27cd..cd8f38fab54b42 100644
--- a/src/libraries/System.Net.WebSockets.Client/tests/wasm/System.Net.WebSockets.Client.Wasm.Tests.csproj
+++ b/src/libraries/System.Net.WebSockets.Client/tests/wasm/System.Net.WebSockets.Client.Wasm.Tests.csproj
@@ -34,12 +34,14 @@
              Link="Common\System\Net\Configuration.WebSockets.cs" />
     <Compile Include="$(CommonTestPath)System\Net\EventSourceTestLogging.cs"
              Link="Common\System\Net\EventSourceTestLogging.cs" />
+    <Compile Include="$(CommonTestPath)System\Net\Http\GenericLoopbackServer.cs"
+             Link="Common\System\Net\Http\GenericLoopbackServer.cs" />
     <Compile Include="$(CommonTestPath)System\Net\Http\LoopbackProxyServer.cs"
              Link="Common\System\Net\Http\LoopbackProxyServer.cs" />
     <Compile Include="$(CommonTestPath)System\Net\Http\LoopbackServer.cs"
              Link="Common\System\Net\Http\LoopbackServer.cs" />
-    <Compile Include="$(CommonTestPath)System\Net\Http\GenericLoopbackServer.cs"
-             Link="Common\System\Net\Http\GenericLoopbackServer.cs" />
+    <Compile Include="$(CommonTestPath)System\Net\Http\TestHelper.cs"
+             Link="Common\System\Net\Http\TestHelper.cs" />
     <Compile Include="$(CommonTestPath)System\Threading\Tasks\TaskTimeoutExtensions.cs"
              Link="Common\System\Threading\Tasks\TaskTimeoutExtensions.cs" />
     <Compile Include="..\ClientWebSocketTestBase.cs" />