diff --git a/src/Features/Core/Portable/AddImport/AbstractAddImportCodeFixProvider.cs b/src/Features/Core/Portable/AddImport/AbstractAddImportCodeFixProvider.cs
index 9ee17c2e33b4737056a1f3de9cf1894d2b197808..c2e38e9ffff692d6dd39f51478d3c95742156a32 100644
--- a/src/Features/Core/Portable/AddImport/AbstractAddImportCodeFixProvider.cs
+++ b/src/Features/Core/Portable/AddImport/AbstractAddImportCodeFixProvider.cs
@@ -58,7 +58,7 @@ public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
                 : null;
 
             var packageSources = symbolSearchService != null && searchNuGetPackages
-                ? GetPackageInstallerService(document).PackageSources
+                ? GetPackageSources(document)
                 : ImmutableArray<PackageSource>.Empty;
 
             // We might have multiple different diagnostics covering the same span.  Have to
@@ -92,6 +92,9 @@ public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
         private IPackageInstallerService GetPackageInstallerService(Document document)
             => _packageInstallerService ?? document.Project.Solution.Workspace.Services.GetService<IPackageInstallerService>();
 
+        private ImmutableArray<PackageSource> GetPackageSources(Document document)
+            => GetPackageInstallerService(document)?.PackageSources ?? ImmutableArray<PackageSource>.Empty;
+
         private CodeAction TryCreateCodeAction(Document document, AddImportFixData fixData)
         {
             if (fixData == null)