diff --git a/eng/testing/scenarios/BuildWasmAppsJobsListCoreCLR.txt b/eng/testing/scenarios/BuildWasmAppsJobsListCoreCLR.txt
index 28a2f6ccee94a4..1c6ca2e9b8a3c4 100644
--- a/eng/testing/scenarios/BuildWasmAppsJobsListCoreCLR.txt
+++ b/eng/testing/scenarios/BuildWasmAppsJobsListCoreCLR.txt
@@ -3,6 +3,7 @@ Wasm.Build.Tests.EnvVariablesTests
 Wasm.Build.Tests.FilesToIncludeInFileSystemTests
 Wasm.Build.Tests.HttpTests
 Wasm.Build.Tests.LazyLoadingTests
+Wasm.Build.Tests.MaxParallelDownloadsTests
 Wasm.Build.Tests.ModuleConfigTests
 Wasm.Build.Tests.PreloadingTests
 Wasm.Build.Tests.RebuildTests
diff --git a/src/mono/wasm/Wasm.Build.Tests/MaxParallelDownloadsTests.cs b/src/mono/wasm/Wasm.Build.Tests/MaxParallelDownloadsTests.cs
index 5c7c13c9b7db2a..4a75a660ebbf7b 100644
--- a/src/mono/wasm/Wasm.Build.Tests/MaxParallelDownloadsTests.cs
+++ b/src/mono/wasm/Wasm.Build.Tests/MaxParallelDownloadsTests.cs
@@ -31,7 +31,10 @@ public async Task NeverFetchMoreThanMaxAllowed(Configuration config, string maxP
         RunResult result = await RunForBuildWithDotnetRun(new BrowserRunOptions(
             config,
             TestScenario: "MaxParallelDownloads",
-            BrowserQueryString: new NameValueCollection { {"maxParallelDownloads", maxParallelDownloads } }
+            BrowserQueryString: new NameValueCollection {
+                {"maxParallelDownloads", maxParallelDownloads },
+                {"runtimeFlavor", s_buildEnv.IsMonoRuntime ? "Mono" : "CoreCLR" }
+            }
         ));
 
         var resultTestOutput = result.TestOutput.ToList();
diff --git a/src/mono/wasm/testassets/WasmBasicTestApp/App/wwwroot/main.js b/src/mono/wasm/testassets/WasmBasicTestApp/App/wwwroot/main.js
index d6057365483d79..60b0e485b0d289 100644
--- a/src/mono/wasm/testassets/WasmBasicTestApp/App/wwwroot/main.js
+++ b/src/mono/wasm/testassets/WasmBasicTestApp/App/wwwroot/main.js
@@ -129,7 +129,14 @@ switch (testCase) {
         const maxParallelDownloads = params.get("maxParallelDownloads");
         let activeFetchCount = 0;
         const originalFetch2 = globalThis.fetch;
+        const isCoreCLR = params.get("runtimeFlavor") === "CoreCLR";
         globalThis.fetch = async (...args) => {
+            if (isCoreCLR) {
+                const url = typeof args[0] === "string" ? args[0] : args[0]?.url ?? "";
+                if (url.includes("dotnet.native")) {
+                    return originalFetch2(...args);
+                }
+            }
             activeFetchCount++;
             testOutput(`Fetch started. Active downloads: ${activeFetchCount}`);
             try {
@@ -143,7 +150,7 @@ switch (testCase) {
                 throw error;
             }
         };
-        dotnet.withConfig({ maxParallelDownloads: maxParallelDownloads });
+        dotnet.withConfig({ maxParallelDownloads: parseInt(maxParallelDownloads) });
         break;
     case "AllocateLargeHeapThenInterop":
         dotnet.withEnvironmentVariable("MONO_LOG_LEVEL", "debug")