diff --git a/src/Workspaces/Remote/ServiceHub/Services/MissingImportDiscovery/RemoteMissingImportDiscoveryService.cs b/src/Workspaces/Remote/ServiceHub/Services/MissingImportDiscovery/RemoteMissingImportDiscoveryService.cs
index 029001631aa0d..8dcb2c7ef89be 100644
--- a/src/Workspaces/Remote/ServiceHub/Services/MissingImportDiscovery/RemoteMissingImportDiscoveryService.cs
+++ b/src/Workspaces/Remote/ServiceHub/Services/MissingImportDiscovery/RemoteMissingImportDiscoveryService.cs
@@ -39,7 +39,7 @@ public ValueTask<ImmutableArray<AddImportFixData>> GetFixesAsync(
     {
         return RunServiceAsync(solutionChecksum, async solution =>
         {
-            var document = solution.GetDocument(documentId);
+            var document = await solution.GetDocumentAsync(documentId, includeSourceGenerated: true, cancellationToken).ConfigureAwait(false);
             if (document is null)
                 return [];
 
@@ -68,7 +68,7 @@ public ValueTask<ImmutableArray<AddImportFixData>> GetUniqueFixesAsync(
     {
         return RunServiceAsync(solutionChecksum, async solution =>
         {
-            var document = solution.GetDocument(documentId);
+            var document = await solution.GetDocumentAsync(documentId, includeSourceGenerated: true, cancellationToken).ConfigureAwait(false);
             if (document is null)
                 return [];