diff --git a/src/Features/Core/Portable/CodeFixes/Async/AbstractAddAwaitCodeFixProvider.cs b/src/Features/Core/Portable/CodeFixes/Async/AbstractAddAwaitCodeFixProvider.cs
index 582c4417e4fb2a88f984b3f9aa9af8ac743feb7f..895a8f7597b7dde5fb737747a41feb9996f7526b 100644
--- a/src/Features/Core/Portable/CodeFixes/Async/AbstractAddAwaitCodeFixProvider.cs
+++ b/src/Features/Core/Portable/CodeFixes/Async/AbstractAddAwaitCodeFixProvider.cs
@@ -5,6 +5,7 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.CodeAnalysis.CodeActions;
+using Microsoft.CodeAnalysis.Shared.Extensions;
 
 namespace Microsoft.CodeAnalysis.CodeFixes.Async
 {