diff --git a/mesonbuild/compilers/cpp.py b/mesonbuild/compilers/cpp.py

index 87371c0..03fc95e 100644

--- a/mesonbuild/compilers/cpp.py

+++ b/mesonbuild/compilers/cpp.py

@@ -240,10 +240,13 @@ class ElbrusCPPCompiler(GnuCPPCompiler, ElbrusCompiler):

     # It does not support c++/gnu++ 17 and 1z, but still does support 0x, 1y, and gnu++98.

     def get_options(self):

         opts = CPPCompiler.get_options(self)

-        opts['cpp_std'] = coredata.UserComboOption('cpp_std', 'C++ language standard to use',

+        opts.update({'cpp_std': coredata.UserComboOption('cpp_std', 'C++ language standard to use',

                                                    ['none', 'c++98', 'c++03', 'c++0x', 'c++11', 'c++14', 'c++1y',

                                                     'gnu++98', 'gnu++03', 'gnu++0x', 'gnu++11', 'gnu++14', 'gnu++1y'],

-                                                   'none')

+                                                   'none'),

+                     'cpp_debugstl': coredata.UserBooleanOption('cpp_debugstl',

+                                                                'STL debug mode',

+                                                                False)})

         return opts

     # Elbrus C++ compiler does not have lchmod, but there is only linker warning, not compiler error.