diff --git a/unsupported/test/cxx11_tensor_block_access.cpp b/unsupported/test/cxx11_tensor_block_access.cpp
index 7bf338522..f572e496d 100644
--- a/unsupported/test/cxx11_tensor_block_access.cpp
+++ b/unsupported/test/cxx11_tensor_block_access.cpp
@@ -143,7 +143,8 @@ static void UpdateCoeffSet(
 
   for (int i = 0; i < block_sizes[dim_index]; ++i) {
     if (tensor_strides[dim_index] == 1) {
-      auto inserted = visited_coeffs->insert(first_coeff_index + i);
+      typedef std::pair<std::set<Index>::iterator, bool> ReturnType;
+      ReturnType inserted = visited_coeffs->insert(first_coeff_index + i);
       VERIFY_IS_EQUAL(inserted.second, true);
     } else {
       int next_dim_index = dim_index + choose(Layout, -1, 1);