diff --git a/src/NodeParser/TypeReferenceNodeParser.ts b/src/NodeParser/TypeReferenceNodeParser.ts
index 40bea784..6b6bb762 100644
--- a/src/NodeParser/TypeReferenceNodeParser.ts
+++ b/src/NodeParser/TypeReferenceNodeParser.ts
@@ -48,7 +48,7 @@ export class TypeReferenceNodeParser implements SubNodeParser {
 
     private createSubContext(node: ts.TypeReferenceNode, parentContext: Context): Context {
         const subContext = new Context(node);
-        if (node.typeArguments && node.typeArguments.length) {
+        if (node.typeArguments?.length) {
             for (const typeArg of node.typeArguments) {
                 const type = this.childNodeParser.createType(typeArg, parentContext);
                 subContext.pushArgument(type);