diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index c8150d644a2..04f1e7101e6 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -7275,8 +7275,8 @@ module ts {
                 checkApplicableSignature(node, args, candidateForArgumentError, assignableRelation, /*excludeArgument*/ undefined, /*reportErrors*/ true);
             }
             else if (candidateForTypeArgumentError) {
-                if (!isTaggedTemplate && (<CallExpression>node).typeArguments) {
-                    checkTypeArguments(candidateForTypeArgumentError, (<CallExpression>node).typeArguments, [], /*reportErrors*/ true)
+                if (!isTaggedTemplate && typeArguments) {
+                    checkTypeArguments(candidateForTypeArgumentError, typeArguments, [], /*reportErrors*/ true)
                 }
                 else {
                     Debug.assert(resultOfFailedInference.failedTypeParameterIndex >= 0);