diff --git a/Modules/CMakeCCompilerId.c.in b/Modules/CMakeCCompilerId.c.in
index b224007807..63f8787c0b 100644
--- a/Modules/CMakeCCompilerId.c.in
+++ b/Modules/CMakeCCompilerId.c.in
@@ -55,6 +55,7 @@ int main(int argc, char* argv[])
 #ifdef SIMULATE_VERSION_MAJOR
   require += info_simulate_version[argc];
 #endif
+  require += info_language_dialect_default[argc];
   (void)argv;
   return require;
 }
diff --git a/Modules/CMakeCXXCompilerId.cpp.in b/Modules/CMakeCXXCompilerId.cpp.in
index d467507665..61cd790934 100644
--- a/Modules/CMakeCXXCompilerId.cpp.in
+++ b/Modules/CMakeCXXCompilerId.cpp.in
@@ -49,6 +49,7 @@ int main(int argc, char* argv[])
 #ifdef SIMULATE_VERSION_MAJOR
   require += info_simulate_version[argc];
 #endif
+  require += info_language_dialect_default[argc];
   (void)argv;
   return require;
 }