diff --git a/src/Components/Web.JS/src/Platform/Mono/MonoPlatform.ts b/src/Components/Web.JS/src/Platform/Mono/MonoPlatform.ts
index 71aa57940dbb..608bad0ed0ed 100644
--- a/src/Components/Web.JS/src/Platform/Mono/MonoPlatform.ts
+++ b/src/Components/Web.JS/src/Platform/Mono/MonoPlatform.ts
@@ -393,7 +393,7 @@ async function loadLazyAssembly(resourceLoader: WebAssemblyResourceLoader, assem
   if (!assemblyMarkedAsLazy) {
     throw new Error(`${assemblyNameToLoad} must be marked with 'BlazorWebAssemblyLazyLoad' item group in your project file to allow lazy-loading.`);
   }
-  const dllNameToLoad = changeExtension(assemblyNameToLoad, '.dll');
+  const dllNameToLoad = assemblyNameToLoad;
   const pdbNameToLoad = changeExtension(assemblyNameToLoad, '.pdb');
   const shouldLoadPdb = hasDebuggingEnabled() && resources.pdb && lazyAssemblies.hasOwnProperty(pdbNameToLoad);