diff --git a/src/VisualStudio/Core/Def/Implementation/LanguageService/AbstractLanguageService`2.IVsContainedLanguageFactory.cs b/src/VisualStudio/Core/Def/Implementation/LanguageService/AbstractLanguageService`2.IVsContainedLanguageFactory.cs
index 0e828dfde501a..f530e26f3f98f 100644
--- a/src/VisualStudio/Core/Def/Implementation/LanguageService/AbstractLanguageService`2.IVsContainedLanguageFactory.cs
+++ b/src/VisualStudio/Core/Def/Implementation/LanguageService/AbstractLanguageService`2.IVsContainedLanguageFactory.cs
@@ -47,7 +47,7 @@ private VisualStudioProject FindMatchingProject(IVsHierarchy hierarchy, uint ite
                 }
             }
 
-            if (projectName == null)
+            if (string.IsNullOrEmpty(projectName))
             {
                 if (hierarchy is IVsContainedLanguageProjectNameProvider containedLanguageProjectNameProvider)
                 {