diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx
index 384f023d7..cf3a0371f 100644
--- a/Source/cmGlobalGenerator.cxx
+++ b/Source/cmGlobalGenerator.cxx
@@ -1897,7 +1897,9 @@ void cmGlobalGenerator::EnableLanguagesFromGenerator(cmGlobalGenerator *gen,
                                           "make program",
                                           cmState::FILEPATH);
   // copy the enabled languages
-  this->LanguageEnabled = gen->LanguageEnabled;
+  this->GetCMakeInstance()->GetState()->SetEnabledLanguages(
+    gen->GetCMakeInstance()->GetState()->GetEnabledLanguages()
+    );
   this->LanguagesReady = gen->LanguagesReady;
   this->ExtensionToLanguage = gen->ExtensionToLanguage;
   this->IgnoreExtensions = gen->IgnoreExtensions;
diff --git a/Source/cmGlobalGenerator.h b/Source/cmGlobalGenerator.h
index b51bd475c..710719894 100644
--- a/Source/cmGlobalGenerator.h
+++ b/Source/cmGlobalGenerator.h
@@ -441,7 +441,6 @@ private:
   // If you add a new map here, make sure it is copied
   // in EnableLanguagesFromGenerator
   std::map<std::string, bool> IgnoreExtensions;
-  std::vector<std::string> LanguageEnabled;
   std::set<std::string> LanguagesReady; // Ready for try_compile
   std::map<std::string, std::string> OutputExtensions;
   std::map<std::string, std::string> LanguageToOutputExtension;
diff --git a/Source/cmState.cxx b/Source/cmState.cxx
index d6899a450..24cbc4aba 100644
--- a/Source/cmState.cxx
+++ b/Source/cmState.cxx
@@ -273,6 +273,11 @@ std::vector<std::string> cmState::GetEnabledLanguages() const
   return this->EnabledLanguages;
 }
 
+void cmState::SetEnabledLanguages(std::vector<std::string> const& langs)
+{
+  this->EnabledLanguages = langs;
+}
+
 void cmState::ClearEnabledLanguages()
 {
   this->EnabledLanguages.clear();
diff --git a/Source/cmState.h b/Source/cmState.h
index 9902db909..d10fae3b6 100644
--- a/Source/cmState.h
+++ b/Source/cmState.h
@@ -96,6 +96,7 @@ public:
   void SetLanguageEnabled(std::string const& l);
   bool GetLanguageEnabled(std::string const& l) const;
   std::vector<std::string> GetEnabledLanguages() const;
+  void SetEnabledLanguages(std::vector<std::string> const& langs);
   void ClearEnabledLanguages();
 
   bool GetIsInTryCompile() const;