diff --git a/test/src/unit-conversions.cpp b/test/src/unit-conversions.cpp
index 275d5270..fa75428c 100644
--- a/test/src/unit-conversions.cpp
+++ b/test/src/unit-conversions.cpp
@@ -613,7 +613,7 @@ TEST_CASE("value conversion")
 #if defined(JSON_HAS_CPP_17)
         SECTION("std::string_view")
         {
-            std::string_view s = j;
+            std::string_view s = j.get<std::string_view>();
             CHECK(json(s) == j);
         }
 #endif