diff --git a/src/Microsoft.AspNetCore.Blazor.Build/Cli/Commands/BuildIndexHtmlCommand.cs b/src/Microsoft.AspNetCore.Blazor.Build/Cli/Commands/BuildIndexHtmlCommand.cs
index 189a359b3..ddbda6d7a 100644
--- a/src/Microsoft.AspNetCore.Blazor.Build/Cli/Commands/BuildIndexHtmlCommand.cs
+++ b/src/Microsoft.AspNetCore.Blazor.Build/Cli/Commands/BuildIndexHtmlCommand.cs
@@ -2,6 +2,7 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
+using System.IO;
 using Microsoft.Extensions.CommandLineUtils;
 
 namespace Microsoft.AspNetCore.Blazor.Build.Cli.Commands
@@ -18,9 +19,9 @@ public static void Command(CommandLineApplication command)
                 "The path from the _bin folder to a given referenced dll file (typically just the dll name)",
                 CommandOptionType.MultipleValue);
 
-            var embeddedResourcesSources = command.Option("--embedded-resources-source",
-                "The path to an assembly that may contain embedded resources (typically a referenced assembly in its pre-linked state)",
-                CommandOptionType.MultipleValue);
+            var embeddedResourcesFile = command.Option("--embedded-resources",
+                "The path to a file that lists the paths of .NET assemblies that may contain embedded resources (typically, referenced assemblies in their pre-linked states)",
+                CommandOptionType.SingleValue);
 
             var outputPath = command.Option("--output",
                 "Path to the output file",
@@ -44,11 +45,15 @@ public static void Command(CommandLineApplication command)
 
                 try
                 {
+                    var embeddedResourcesSources = embeddedResourcesFile.HasValue()
+                        ? File.ReadAllLines(embeddedResourcesFile.Value())
+                        : Array.Empty<string>();
+
                     IndexHtmlWriter.UpdateIndex(
                         clientPage.Value(),
                         mainAssemblyPath.Value,
                         references.Values.ToArray(),
-                        embeddedResourcesSources.Values.ToArray(),
+                        embeddedResourcesSources,
                         linkerEnabledFlag.HasValue(),
                         outputPath.Value());
                     return 0;
diff --git a/src/Microsoft.AspNetCore.Blazor.Build/targets/Blazor.MonoRuntime.targets b/src/Microsoft.AspNetCore.Blazor.Build/targets/Blazor.MonoRuntime.targets
index aa88f41f0..f428a76e9 100644
--- a/src/Microsoft.AspNetCore.Blazor.Build/targets/Blazor.MonoRuntime.targets
+++ b/src/Microsoft.AspNetCore.Blazor.Build/targets/Blazor.MonoRuntime.targets
@@ -236,6 +236,9 @@
       <!-- /obj/<<configuration>>/<<targetframework>>/blazor/inputs.index.cache -->
       <BlazorBuildIndexInputsCache>$(BlazorIntermediateOutputPath)inputs.index.cache</BlazorBuildIndexInputsCache>
 
+      <!-- /obj/<<configuration>>/<<targetframework>>/blazor/embedded.resources.txt -->
+      <BlazorEmbeddedResourcesConfigFilePath>$(BlazorIntermediateOutputPath)embedded.resources.txt</BlazorEmbeddedResourcesConfigFilePath>
+
     </PropertyGroup>
 
     <PropertyGroup Label="Final output paths">
@@ -597,9 +600,16 @@
     </ItemGroup>
     <PropertyGroup>
       <_LinkerEnabledFlag Condition="'$(_BlazorShouldLinkApplicationAssemblies)' != ''">--linker-enabled</_LinkerEnabledFlag>
+      <_EmbeddedResourcesArg Condition="'@(_UnlinkedAppReferencesPaths)' != ''">--embedded-resources &quot;$(BlazorEmbeddedResourcesConfigFilePath)&quot;</_EmbeddedResourcesArg>
     </PropertyGroup>
 
-    <Exec Command="$(BlazorBuildExe) build @(IntermediateAssembly) --html-page &quot;$(BlazorIndexHtml)&quot; @(_AppReferences->'--reference &quot;%(Identity)&quot;', ' ') @(_UnlinkedAppReferencesPaths->'--embedded-resources-source &quot;%(Identity)&quot;', ' ') $(_LinkerEnabledFlag) --output &quot;$(BlazorIndexHtmlOutputPath)&quot;" />
+    <WriteLinesToFile
+      Condition="'@(_UnlinkedAppReferencesPaths)' != ''"
+      File="$(BlazorEmbeddedResourcesConfigFilePath)"
+      Lines="@(_UnlinkedAppReferencesPaths)"
+      Overwrite="true" />
+
+    <Exec Command="$(BlazorBuildExe) build @(IntermediateAssembly) --html-page &quot;$(BlazorIndexHtml)&quot; @(_AppReferences->'--reference &quot;%(Identity)&quot;', ' ') $(_EmbeddedResourcesArg) $(_LinkerEnabledFlag) --output &quot;$(BlazorIndexHtmlOutputPath)&quot;" />
 
     <ItemGroup Condition="Exists('$(BlazorIndexHtmlOutputPath)')">
       <_BlazorIndex Include="$(BlazorIndexHtmlOutputPath)" />