diff --git a/cmake/developer_package/compile_flags/os_flags.cmake b/cmake/developer_package/compile_flags/os_flags.cmake
index 642e5f83b9e..23ffcac0fcb 100644
--- a/cmake/developer_package/compile_flags/os_flags.cmake
+++ b/cmake/developer_package/compile_flags/os_flags.cmake
@@ -311,9 +311,7 @@ if(WIN32)
     string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
 else()
     if (CMAKE_COMPILE_WARNING_AS_ERROR AND CMAKE_VERSION VERSION_LESS 3.24)
-        # TODO: enable for C sources as well
-        # ie_add_compiler_flags(-Werror)
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
+        ie_add_compiler_flags(-Werror)
     endif()
     ie_add_compiler_flags(-ffunction-sections -fdata-sections)
     ie_add_compiler_flags(-fdiagnostics-show-option)