diff --git a/unittests/ADT/ArrayRefTest.cpp b/unittests/ADT/ArrayRefTest.cpp
index c6854aed4b6..4d77c478f48 100644
--- a/unittests/ADT/ArrayRefTest.cpp
+++ b/unittests/ADT/ArrayRefTest.cpp
@@ -91,7 +91,7 @@ TEST(ArrayRefTest, ConstConvert) {
 }
 
 TEST(ArrayRefTest, InitializerList) {
-  ArrayRef<int> A{ 0, 1, 2, 3, 4 };
+  ArrayRef<int> A = { 0, 1, 2, 3, 4 };
   for (int i = 0; i < 5; ++i)
     EXPECT_EQ(i, A[i]);
 }