diff --git a/src/libraries/System.Net.Http/tests/StressTests/HttpStress/Directory.Build.props b/src/libraries/System.Net.Http/tests/StressTests/HttpStress/Directory.Build.props
index d815694fd279a1..5be3ecb12e38df 100644
--- a/src/libraries/System.Net.Http/tests/StressTests/HttpStress/Directory.Build.props
+++ b/src/libraries/System.Net.Http/tests/StressTests/HttpStress/Directory.Build.props
@@ -15,5 +15,6 @@
         <MicrosoftNetCoreAppFrameworkName>Microsoft.NETCore.App</MicrosoftNetCoreAppFrameworkName>
         <MicrosoftNetCoreAppRefPackDir Condition="'$(MicrosoftNetCoreAppRefPackDir)' == ''" >$(RepositoryRoot)artifacts/bin/microsoft.netcore.app.ref/</MicrosoftNetCoreAppRefPackDir>
         <MicrosoftNetCoreAppRuntimePackDir Condition="'$(MicrosoftNetCoreAppRuntimePackDir)' == ''">$(RepositoryRoot)artifacts/bin/microsoft.netcore.app.runtime.$(OutputRID)/$(Configuration)/</MicrosoftNetCoreAppRuntimePackDir>
+        <UseLocalAppHostPack>false</UseLocalAppHostPack>
     </PropertyGroup>
 </Project>
diff --git a/src/libraries/System.Net.Security/tests/StressTests/SslStress/Directory.Build.props b/src/libraries/System.Net.Security/tests/StressTests/SslStress/Directory.Build.props
index d815694fd279a1..5be3ecb12e38df 100644
--- a/src/libraries/System.Net.Security/tests/StressTests/SslStress/Directory.Build.props
+++ b/src/libraries/System.Net.Security/tests/StressTests/SslStress/Directory.Build.props
@@ -15,5 +15,6 @@
         <MicrosoftNetCoreAppFrameworkName>Microsoft.NETCore.App</MicrosoftNetCoreAppFrameworkName>
         <MicrosoftNetCoreAppRefPackDir Condition="'$(MicrosoftNetCoreAppRefPackDir)' == ''" >$(RepositoryRoot)artifacts/bin/microsoft.netcore.app.ref/</MicrosoftNetCoreAppRefPackDir>
         <MicrosoftNetCoreAppRuntimePackDir Condition="'$(MicrosoftNetCoreAppRuntimePackDir)' == ''">$(RepositoryRoot)artifacts/bin/microsoft.netcore.app.runtime.$(OutputRID)/$(Configuration)/</MicrosoftNetCoreAppRuntimePackDir>
+        <UseLocalAppHostPack>false</UseLocalAppHostPack>
     </PropertyGroup>
 </Project>