1 files changed, 3 insertions, 2 deletions
diff --git a/Source/cmStandardLevelResolver.cxx b/Source/cmStandardLevelResolver.cxx
index 61416e0..acc2ed2 100644
--- a/Source/cmStandardLevelResolver.cxx
+++ b/Source/cmStandardLevelResolver.cxx
@@ -206,8 +206,9 @@ struct StandardLevelComputer
 
     // If the standard requested is older than the compiler's default or the
     // extension mode doesn't match then we need to use a flag.
-    if (stdIt < defaultStdIt ||
-        (cmp0128 == cmPolicies::NEW && ext != defaultExt)) {
+    if ((cmp0128 != cmPolicies::NEW && stdIt <= defaultStdIt) ||
+        (cmp0128 == cmPolicies::NEW &&
+         (stdIt < defaultStdIt || ext != defaultExt))) {
       auto offset = std::distance(cm::cbegin(stds), stdIt);
       return cmStrCat("CMAKE_", this->Language, stdsStrings[offset], "_", type,
                       "_COMPILE_OPTION");