diff --git a/src/coreclr/crossgen-corelib.proj b/src/coreclr/crossgen-corelib.proj
index 0df8b34d3aafce..07ea4086b26a36 100644
--- a/src/coreclr/crossgen-corelib.proj
+++ b/src/coreclr/crossgen-corelib.proj
@@ -72,7 +72,7 @@
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(PublishReadyToRunContainerFormat)' == 'wasm'">
-    <CrossgenCoreLibOutputPath>$([MSBuild]::NormalizePath('$(BinDir)', '$(CoreLibAssemblyName).NotReadyYet.wasm'))</CrossgenCoreLibOutputPath>
+    <CrossgenCoreLibOutputPath>$([MSBuild]::NormalizePath('$(BinDir)', '$(CoreLibAssemblyName).wasm'))</CrossgenCoreLibOutputPath>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(UseComposite)' == 'true'">
diff --git a/src/coreclr/hosts/corerun/corerun.cpp b/src/coreclr/hosts/corerun/corerun.cpp
index 3ab04343b8a052..49908c2675ac74 100644
--- a/src/coreclr/hosts/corerun/corerun.cpp
+++ b/src/coreclr/hosts/corerun/corerun.cpp
@@ -385,6 +385,10 @@ static bool HOST_CONTRACT_CALLTYPE external_assembly_probe(
         std::string full_path = dir;
         assert(full_path.back() == pal::dir_delim);
         full_path.append(name);
+#ifdef TARGET_BROWSER
+        if (BrowserHost_ExternalAssemblyProbe(full_path.c_str(), data_start, size))
+            return true;
+#endif // TARGET_BROWSER
         if (pal::try_map_file_readonly(full_path.c_str(), data_start, size))
             return true;
     }