diff --git a/test/src/unit-comparison.cpp b/test/src/unit-comparison.cpp
index 212afa254..6c94add60 100644
--- a/test/src/unit-comparison.cpp
+++ b/test/src/unit-comparison.cpp
@@ -207,7 +207,7 @@ TEST_CASE("lexicographical comparison operators")
                 {
                     // Skip comparing indicies 12 and 13, and 13 and 12 in C++20 pending fix
                     // See issue #3207
-#ifdef JSON_HAS_CPP_20
+#if defined(JSON_HAS_CPP_20) || JSON_HAS_THREE_WAY_COMPARISON
                     if ((i == 12 && j == 13) || (i == 13 && j == 12))
                     {
                         continue;