diff --git a/src/VisualStudio/Core/Def/Implementation/Library/ObjectBrowser/Extensions.cs b/src/VisualStudio/Core/Def/Implementation/Library/ObjectBrowser/Extensions.cs
index 1e2de6a05079cec4d8debaa45e21b635d910e192..1f16c720f0fbddbd1b86c73a4ad0e0b719932204 100644
--- a/src/VisualStudio/Core/Def/Implementation/Library/ObjectBrowser/Extensions.cs
+++ b/src/VisualStudio/Core/Def/Implementation/Library/ObjectBrowser/Extensions.cs
@@ -62,7 +62,7 @@ public static string GetProjectDisplayName(this Project project)
             {
                 return project.Name;
             }
-            else if (project.Solution.Workspace is VisualStudioWorkspaceImpl workspace
+            else if (project.Solution.Workspace is VisualStudioWorkspace workspace
                 && workspace.GetHierarchy(project.Id) is { } hierarchy
                 && (IVsSolution3)ServiceProvider.GlobalProvider.GetService(typeof(SVsSolution)) is { } solution)
             {