diff --git a/tools/http-fault-injector/Azure.Sdk.Tools.HttpFaultInjector/Properties/launchSettings.json b/tools/http-fault-injector/Azure.Sdk.Tools.HttpFaultInjector/Properties/launchSettings.json
new file mode 100644
index 00000000000..584845bc341
--- /dev/null
+++ b/tools/http-fault-injector/Azure.Sdk.Tools.HttpFaultInjector/Properties/launchSettings.json
@@ -0,0 +1,13 @@
+{
+  "profiles": {
+    "Azure.Sdk.Tools.HttpFaultInjector": {
+      "commandName": "Project",
+      "launchBrowser": false,
+      "environmentVariables": {
+        "OTEL_SERVICE_NAME": "HttpFaultInjector",
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      },
+      "applicationUrl": "http://localhost:7777;https://localhost:7778"
+    }
+  }
+}
\ No newline at end of file
diff --git a/tools/http-fault-injector/Azure.Sdk.Tools.HttpFaultInjector/Utils.cs b/tools/http-fault-injector/Azure.Sdk.Tools.HttpFaultInjector/Utils.cs
index 7d8e13b6d1b..a53e05720b7 100644
--- a/tools/http-fault-injector/Azure.Sdk.Tools.HttpFaultInjector/Utils.cs
+++ b/tools/http-fault-injector/Azure.Sdk.Tools.HttpFaultInjector/Utils.cs
@@ -22,7 +22,7 @@ public static class Utils
             "Proxy-Connection",
 
             // "X-Upstream-Base-Uri" in original request is used as the Base URI in the upstream request
-            "X-Upstream-Base-Uri",
+            UpstreamBaseUriHeader,
             "Host",
 
             ResponseSelectionHeader