diff --git a/src/Microsoft.AspNetCore.Blazor.Build/targets/Publish.targets b/src/Microsoft.AspNetCore.Blazor.Build/targets/Publish.targets
index 3d18026c2a..7061215e98 100644
--- a/src/Microsoft.AspNetCore.Blazor.Build/targets/Publish.targets
+++ b/src/Microsoft.AspNetCore.Blazor.Build/targets/Publish.targets
@@ -42,7 +42,7 @@
       <_BlazorConfigPath>$(OutDir)$(AssemblyName).blazor.config</_BlazorConfigPath>
     </PropertyGroup>
     <WriteLinesToFile File="$(_BlazorConfigPath)" Lines="." Overwrite="true" />
-    <WriteLinesToFile File="$(_BlazorConfigPath)" Lines="$(AssemblyName)\" Overwrite="false" />
+    <WriteLinesToFile File="$(_BlazorConfigPath)" Lines="$(AssemblyName)/" Overwrite="false" />
   </Target>
 
   <!-- The following target runs only for standalone publishing -->