diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index 9847325..a46c9b6 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -121,6 +121,7 @@
 TEST_F(FormatTest, FormatsNestedCall) {
   verifyFormat("Method(f1, f2(f3));");
   verifyFormat("Method(f1(f2, f3()));");
+  verifyFormat("Method(f1(f2, (f3())));");
 }
 
 //===----------------------------------------------------------------------===//