diff --git a/test/string.cpp b/test/string.cpp
index 7f882e81..cb14c71c 100644
--- a/test/string.cpp
+++ b/test/string.cpp
@@ -30,7 +30,7 @@ main (int, char**)
     };
 
     util::view src { csv.c_str (), csv.size () };
-    for (auto &&[tok, expected]: util::zip (util::tokeniser (src, ','), TESTS)) {
+    for (auto [tok, expected]: util::zip (util::tokeniser (src, ','), TESTS)) {
         tap.expect (equal (tok, expected.value), "%s", expected.message);
     }