diff --git a/src/BuiltInTools/dotnet-watch/HotReload/CompilationHandler.cs b/src/BuiltInTools/dotnet-watch/HotReload/CompilationHandler.cs
index 0416098c8054..31c75e358342 100644
--- a/src/BuiltInTools/dotnet-watch/HotReload/CompilationHandler.cs
+++ b/src/BuiltInTools/dotnet-watch/HotReload/CompilationHandler.cs
@@ -84,13 +84,13 @@ public async ValueTask<bool> TryHandleFileChange(DotNetWatchContext context, Fil
 
             Solution? updatedSolution = null;
             ProjectId updatedProjectId;
-            if (_currentSolution.Projects.SelectMany(p => p.Documents).FirstOrDefault(d => d.FilePath == file.FilePath) is Document documentToUpdate)
+            if (_currentSolution.Projects.SelectMany(p => p.Documents).FirstOrDefault(d => string.Equals(d.FilePath, file.FilePath, StringComparison.OrdinalIgnoreCase)) is Document documentToUpdate)
             {
                 var sourceText = await GetSourceTextAsync(file.FilePath);
                 updatedSolution = documentToUpdate.WithText(sourceText).Project.Solution;
                 updatedProjectId = documentToUpdate.Project.Id;
             }
-            else if (_currentSolution.Projects.SelectMany(p => p.AdditionalDocuments).FirstOrDefault(d => d.FilePath == file.FilePath) is AdditionalDocument additionalDocument)
+            else if (_currentSolution.Projects.SelectMany(p => p.AdditionalDocuments).FirstOrDefault(d => string.Equals(d.FilePath, file.FilePath, StringComparison.OrdinalIgnoreCase)) is AdditionalDocument additionalDocument)
             {
                 var sourceText = await GetSourceTextAsync(file.FilePath);
                 updatedSolution = _currentSolution.WithAdditionalDocumentText(additionalDocument.Id, sourceText, PreservationMode.PreserveValue);
diff --git a/src/RazorSdk/Razor.slnf b/src/RazorSdk/Razor.slnf
new file mode 100644
index 000000000000..0cfea7b0c655
--- /dev/null
+++ b/src/RazorSdk/Razor.slnf
@@ -0,0 +1,15 @@
+{
+  "solution": {
+    "path": "..\\..\\sdk.sln",
+    "projects": [
+      "src\\BuiltInTools\\AspNetCoreDeltaApplier\\Microsoft.Extensions.AspNetCoreDeltaApplier.csproj",
+      "src\\RazorSdk\\SourceGenerators\\Microsoft.NET.Sdk.Razor.SourceGenerators.csproj",
+      "src\\RazorSdk\\Tasks\\Microsoft.NET.Sdk.Razor.Tasks.csproj",
+      "src\\RazorSdk\\Tool\\Microsoft.NET.Sdk.Razor.Tool.csproj",
+      "src\\Resolvers\\Microsoft.DotNet.NativeWrapper\\Microsoft.DotNet.NativeWrapper.csproj",
+      "src\\Tests\\Microsoft.NET.Sdk.Razor.Tests\\Microsoft.NET.Sdk.Razor.Tests.csproj",
+      "src\\Tests\\Microsoft.NET.Sdk.Razor.Tool.Tests\\Microsoft.NET.Sdk.Razor.Tool.Tests.csproj",
+      "src\\Tests\\Microsoft.NET.TestFramework\\Microsoft.NET.TestFramework.csproj"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/src/RazorSdk/Targets/Microsoft.NET.Sdk.Razor.SourceGenerators.targets b/src/RazorSdk/Targets/Microsoft.NET.Sdk.Razor.SourceGenerators.targets
index 12443751c06c..aed93241b72f 100644
--- a/src/RazorSdk/Targets/Microsoft.NET.Sdk.Razor.SourceGenerators.targets
+++ b/src/RazorSdk/Targets/Microsoft.NET.Sdk.Razor.SourceGenerators.targets
@@ -51,7 +51,14 @@ Copyright (c) .NET Foundation. All rights reserved.
       <_RazorAdditionalFile Include="@(RazorComponentWithTargetPath)" />
       <!-- Ignore .cshtml files if RazorCompileOnBuild=false -->
       <_RazorAdditionalFile Include="@(RazorGenerateWithTargetPath)" Condition="'$(RazorCompileOnBuild)' != 'false'" />
-      <AdditionalFiles Include="@(_RazorAdditionalFile)" />
+
+      <!-- Workaround for O# bug where it modifies the root path on Windows-->
+      <_RazorOmnisharpWorkAround Include="$([System.String]::Copy(%(_RazorAdditionalFile.RootDir)).ToLower())%(Directory)%(FileName)%(Extension)"
+        TargetPath="%(_RazorAdditionalFile.TargetPath)"
+        GeneratedOutputFullPath="%(_RazorAdditionalFile.GeneratedOutputFullPath)"
+        CssScope="%(_RazorAdditionalFile.CssScope)" />
+
+      <AdditionalFiles Include="@(_RazorOmnisharpWorkAround)" />
 
       <!-- pre-emptively include the files generated by source-generators -->
       <FileWrite Include="%(RazorGenerateWithTargetPath.GeneratedOutput)" Condition="'$(RazorCompileOnBuild)' != 'false'" />