diff --git a/src/SharpIDE.Application/Features/FilePersistence/IdeOpenTabsFileManager.cs b/src/SharpIDE.Application/Features/FilePersistence/IdeOpenTabsFileManager.cs
index c3ecd04..2fa561f 100644
--- a/src/SharpIDE.Application/Features/FilePersistence/IdeOpenTabsFileManager.cs
+++ b/src/SharpIDE.Application/Features/FilePersistence/IdeOpenTabsFileManager.cs
@@ -34,6 +34,14 @@ public class IdeOpenTabsFileManager(ILogger<IdeOpenTabsFileManager> logger)
 		_openFiles[file] = newLazyTask;
 	}
 
+	public async Task UpdateFileTextInMemoryIfOpen(SharpIdeFile file, string newText)
+	{
+		if (!_openFiles.ContainsKey(file)) return;
+
+		var newLazyTask = new Lazy<Task<string>>(() => Task.FromResult(newText));
+		_openFiles[file] = newLazyTask;
+	}
+
 	public async Task SaveFileAsync(SharpIdeFile file)
 	{
 		if (!_openFiles.ContainsKey(file)) throw new InvalidOperationException("File is not open in memory.");
diff --git a/src/SharpIDE.Application/Features/FileWatching/FileChangedService.cs b/src/SharpIDE.Application/Features/FileWatching/FileChangedService.cs
index df0d196..68f573a 100644
--- a/src/SharpIDE.Application/Features/FileWatching/FileChangedService.cs
+++ b/src/SharpIDE.Application/Features/FileWatching/FileChangedService.cs
@@ -68,7 +68,7 @@ public class FileChangedService(RoslynAnalysis roslynAnalysis, IdeOpenTabsFileMa
 			// Disk is already up to date
 			// Update any open tabs
 			// update in memory
-			await _openTabsFileManager.UpdateFileTextInMemory(file, newContents);
+			await _openTabsFileManager.UpdateFileTextInMemoryIfOpen(file, newContents);
 			file.FileContentsChangedExternally.InvokeParallelFireAndForget(linePosition);
 		}
 		else if (changeType is FileChangeType.CodeActionChange)