diff --git a/src/VisualStudio/Core/Def/Implementation/DesignerAttribute/DesignerAttributeIncrementalAnalyzer.cs b/src/VisualStudio/Core/Def/Implementation/DesignerAttribute/DesignerAttributeIncrementalAnalyzer.cs
index 43ee00a0a7c890394e4d022704e6c9f0cb806cdd..11897a6425c13618e2098574680ea40c569d439e 100644
--- a/src/VisualStudio/Core/Def/Implementation/DesignerAttribute/DesignerAttributeIncrementalAnalyzer.cs
+++ b/src/VisualStudio/Core/Def/Implementation/DesignerAttribute/DesignerAttributeIncrementalAnalyzer.cs
@@ -90,6 +90,13 @@ public async Task AnalyzeProjectAsync(Project project, bool semanticsChanged, In
                 return;
             }
 
+            var service = project.LanguageServices.GetService<IDesignerAttributeService>();
+            if (service == null)
+            {
+                // project doesn't support designer attribute service.
+                return;
+            }
+
             // Try to compute this data in the remote process.  If that fails, then compute
             // the results in the local process.
             var pathToResult = await TryAnalyzeProjectInRemoteProcessAsync(project, cancellationToken).ConfigureAwait(false);