diff --git a/Source/cmGlobalXCodeGenerator.cxx b/Source/cmGlobalXCodeGenerator.cxx
index 6cbd4f3ecbeda2ca95fe107a43568d55be233cf0..3002b2a68cca70de0434a4360cb87355e6b08772 100644
--- a/Source/cmGlobalXCodeGenerator.cxx
+++ b/Source/cmGlobalXCodeGenerator.cxx
@@ -942,6 +942,10 @@ std::string GetSourcecodeValueFromFileExtension(const std::string& _ext,
     sourcecode += ".cpp.cpp";
   } else if (lang == "C") {
     sourcecode += ".c.c";
+  } else if (lang == "OBJCXX") {
+    sourcecode += ".cpp.objcpp";
+  } else if (lang == "OBJC") {
+    sourcecode += ".c.objc";
   } else if (lang == "Fortran") {
     sourcecode += ".fortran.f90";
   } else if (lang == "ASM") {