diff --git a/libstdc++-v3/include/bits/version.def b/libstdc++-v3/include/bits/version.def
index 175e695a96d..8bb3e8d185f 100644
--- a/libstdc++-v3/include/bits/version.def
+++ b/libstdc++-v3/include/bits/version.def
@@ -2259,6 +2259,7 @@ ftms = {
     v = 202506;
     cxxmin = 26;
     extra_cond = "__cpp_impl_reflection >= 202506L";
+    cxx11abi = yes;
   };
 };
 
diff --git a/libstdc++-v3/include/bits/version.h b/libstdc++-v3/include/bits/version.h
index 020c256ca0c..107b19002d7 100644
--- a/libstdc++-v3/include/bits/version.h
+++ b/libstdc++-v3/include/bits/version.h
@@ -2526,6 +2526,16 @@
 #endif /* !defined(__cpp_lib_philox_engine) */
 #undef __glibcxx_want_philox_engine
 
+#if !defined(__cpp_lib_reflection)
+# if (__cplusplus >  202302L) && _GLIBCXX_USE_CXX11_ABI && (__cpp_impl_reflection >= 202506L)
+#  define __glibcxx_reflection 202506L
+#  if defined(__glibcxx_want_all) || defined(__glibcxx_want_reflection)
+#   define __cpp_lib_reflection 202506L
+#  endif
+# endif
+#endif /* !defined(__cpp_lib_reflection) */
+#undef __glibcxx_want_reflection
+
 #if !defined(__cpp_lib_is_implicit_lifetime)
 # if (__cplusplus >= 202100L) && (__has_builtin(__builtin_is_implicit_lifetime))
 #  define __glibcxx_is_implicit_lifetime 202302L
@@ -2536,14 +2546,4 @@
 #endif /* !defined(__cpp_lib_is_implicit_lifetime) */
 #undef __glibcxx_want_is_implicit_lifetime
 
-#if !defined(__cpp_lib_reflection)
-# if (__cplusplus >  202302L) && (__cpp_impl_reflection >= 202506L)
-#  define __glibcxx_reflection 202506L
-#  if defined(__glibcxx_want_all) || defined(__glibcxx_want_reflection)
-#   define __cpp_lib_reflection 202506L
-#  endif
-# endif
-#endif /* !defined(__cpp_lib_reflection) */
-#undef __glibcxx_want_reflection
-
 #undef __glibcxx_want_all