diff --git a/cmake/toolchain/arcmwdt/Kconfig b/cmake/toolchain/arcmwdt/Kconfig
index 3f70536b367..e647ed2c91a 100644
--- a/cmake/toolchain/arcmwdt/Kconfig
+++ b/cmake/toolchain/arcmwdt/Kconfig
@@ -4,6 +4,7 @@
 config TOOLCHAIN_ARCMWDT_SUPPORTS_THREAD_LOCAL_STORAGE
 	def_bool y
 	select TOOLCHAIN_SUPPORTS_THREAD_LOCAL_STORAGE
+	select THREAD_LOCAL_STORAGE if CPP
 
 config TOOLCHAIN_ARCMWDT_SUPPORTS_GNU_EXTENSIONS
 	def_bool y