diff --git a/src/services/services.ts b/src/services/services.ts
index 78aeb4bfeea..878d81fe195 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -3492,6 +3492,7 @@ namespace ts {
                         return containingNodeKind === SyntaxKind.ClassDeclaration ||                    // class A< |
                             containingNodeKind === SyntaxKind.FunctionDeclaration ||                    // function A< |
                             containingNodeKind === SyntaxKind.InterfaceDeclaration ||                   // interface A< |
+                            containingNodeKind === SyntaxKind.TypeAliasDeclaration ||
                             isFunction(containingNodeKind);
 
                     case SyntaxKind.StaticKeyword: