diff --git a/src/plugins/autotoolsprojectmanager/autotoolsproject.cpp b/src/plugins/autotoolsprojectmanager/autotoolsproject.cpp
index e37ad961b2495cb8f5e27a6db587053e16fa5406..245ecfb44b6efdc2b05b318d388b22f01bf55d5e 100644
--- a/src/plugins/autotoolsprojectmanager/autotoolsproject.cpp
+++ b/src/plugins/autotoolsprojectmanager/autotoolsproject.cpp
@@ -441,7 +441,7 @@ void AutotoolsProject::updateCppCodeModel()
         part->sourceFiles = m_files;
         part->defines = macros;
         part->frameworkPaths = allFrameworkPaths;
-        part->language = CPlusPlus::CppModelManagerInterface::ProjectPart::CXX;
+        part->language = CPlusPlus::CppModelManagerInterface::ProjectPart::CXX11;
         pinfo.appendProjectPart(part);
 
         modelManager->updateProjectInfo(pinfo);
diff --git a/src/plugins/cmakeprojectmanager/cmakeproject.cpp b/src/plugins/cmakeprojectmanager/cmakeproject.cpp
index 3bba513d50ba300a4547a7f96f24719154e07068..eda0b0310092ce614be4fe59a5c03b3b8f63555d 100644
--- a/src/plugins/cmakeprojectmanager/cmakeproject.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakeproject.cpp
@@ -339,7 +339,7 @@ bool CMakeProject::parseCMakeLists()
             part->sourceFiles = m_files;
             part->defines = allDefines;
             part->frameworkPaths = allFrameworkPaths;
-            part->language = CPlusPlus::CppModelManagerInterface::ProjectPart::CXX;
+            part->language = CPlusPlus::CppModelManagerInterface::ProjectPart::CXX11;
             pinfo.appendProjectPart(part);
             modelmanager->updateProjectInfo(pinfo);
             m_codeModelFuture.cancel();
diff --git a/src/plugins/cpptools/ModelManagerInterface.h b/src/plugins/cpptools/ModelManagerInterface.h
index 8477b03223198bae05216a0025e2c30ec00aec04..7198a14b0ab68ac0381819b771e7d6bffd15bda0 100644
--- a/src/plugins/cpptools/ModelManagerInterface.h
+++ b/src/plugins/cpptools/ModelManagerInterface.h
@@ -73,7 +73,7 @@ public:
     {
     public:
         ProjectPart()
-            : language(CXX)
+            : language(CXX11)
             , qtVersion(UnknownQt)
         {}
 
diff --git a/src/plugins/qt4projectmanager/qt4project.cpp b/src/plugins/qt4projectmanager/qt4project.cpp
index 8dda69767851a606fefe5104c88d12821aeb4ea6..9dbcfa469b52e36fc50e681f79c6f3eb5567ab41 100644
--- a/src/plugins/qt4projectmanager/qt4project.cpp
+++ b/src/plugins/qt4projectmanager/qt4project.cpp
@@ -633,7 +633,7 @@ void Qt4Project::updateCppCodeModel()
         if (tc)
             part->language = tc->compilerFlags(pro->variableValue(CppFlagsVar)) == ToolChain::STD_CXX11 ? ProjectPart::CXX11 : ProjectPart::CXX;
         else
-            part->language = CPlusPlus::CppModelManagerInterface::ProjectPart::CXX;
+            part->language = CPlusPlus::CppModelManagerInterface::ProjectPart::CXX11;
 
         part->sourceFiles = pro->variableValue(CppSourceVar);
         part->headerFiles += pro->variableValue(CppHeaderVar);