diff --git a/src/libraries/sendtohelixhelp.proj b/src/libraries/sendtohelixhelp.proj
index 6eb9d125c75c33..27d7f89f521c44 100644
--- a/src/libraries/sendtohelixhelp.proj
+++ b/src/libraries/sendtohelixhelp.proj
@@ -105,6 +105,9 @@
     <HelixPreCommand Include="set XHARNESS_DISABLE_COLORED_OUTPUT=true" />
     <HelixPreCommand Include="set XHARNESS_LOG_WITH_TIMESTAMPS=true" />
   </ItemGroup>
+  <ItemGroup Condition="'$(TargetOS)' == 'Browser'">
+    <HelixPreCommand Include="dotnet dev-certs https" />
+  </ItemGroup>
 
   <ItemGroup Condition="'$(Scenario)' == 'WasmTestOnBrowser' or '$(Scenario)' == 'BuildWasmApps'">
     <HelixPreCommand Include="export PATH=$HELIX_CORRELATION_PAYLOAD/chromedriver_linux64:$PATH" />