diff --git a/gcc/cp/contracts.cc b/gcc/cp/contracts.cc
index 45f52b20392..26316372389 100644
--- a/gcc/cp/contracts.cc
+++ b/gcc/cp/contracts.cc
@@ -41,9 +41,9 @@ along with GCC; see the file COPYING3.  If not see
 	 "v > 0", // comment,
 	 "default", // assertion_level,
 	 "default", // assertion_role,
-	 MAYBE_CONTINUE, // continuation_mode
+	 maybe_continue, // continuation_mode
        });
-       terminate (); // if NEVER_CONTINUE
+       terminate (); // if never_continue
      }
 
    We use an internal type with the same layout as contract_violation rather
diff --git a/libstdc++-v3/include/experimental/contract b/libstdc++-v3/include/experimental/contract
index cf655023da7..a2babed6301 100644
--- a/libstdc++-v3/include/experimental/contract
+++ b/libstdc++-v3/include/experimental/contract
@@ -45,7 +45,7 @@ namespace experimental
 {
   // From P1332
   enum class contract_violation_continuation_mode {
-    NEVER_CONTINUE, MAYBE_CONTINUE
+    never_continue, maybe_continue
   };
 
   class contract_violation {