diff --git a/src/Components/Blazor/Build/src/targets/Publish.targets b/src/Components/Blazor/Build/src/targets/Publish.targets
index 718a02e073..7cb7e0ad23 100644
--- a/src/Components/Blazor/Build/src/targets/Publish.targets
+++ b/src/Components/Blazor/Build/src/targets/Publish.targets
@@ -43,7 +43,7 @@
 
     <ItemGroup>
       <_BlazorPublishConfigContent Include="." />
-      <_BlazorPublishConfigContent Include="$(AssemblyName)" />
+      <_BlazorPublishConfigContent Include="$(AssemblyName)/" />
     </ItemGroup>
 
     <WriteLinesToFile
diff --git a/src/Components/Blazor/Build/test/BuildIntegrationTests/PublishIntegrationTest.cs b/src/Components/Blazor/Build/test/BuildIntegrationTests/PublishIntegrationTest.cs
index 2c2ddd7e97..6995ffde4d 100644
--- a/src/Components/Blazor/Build/test/BuildIntegrationTests/PublishIntegrationTest.cs
+++ b/src/Components/Blazor/Build/test/BuildIntegrationTests/PublishIntegrationTest.cs
@@ -147,8 +147,10 @@ namespace Microsoft.AspNetCore.Blazor.Build
             // Verify web.config
             Assert.FileExists(result, publishDirectory, "web.config");
 
-            var blazorConfig = Path.Combine(publishDirectory, "standalone.blazor.config");
-            Assert.FileContains(result, blazorConfig, ".");
+            var blazorConfig = Path.Combine(result.Project.DirectoryPath, publishDirectory, "standalone.blazor.config");
+            var blazorConfigLines = File.ReadAllLines(blazorConfig);
+            Assert.Equal(".", blazorConfigLines[0]);
+            Assert.Equal("standalone/", blazorConfigLines[1]);
         }
 
         [Fact]