diff --git a/cmake/flags.cmake b/cmake/flags.cmake
index 331b2af367bdf261ffbf96fb88f61cc6958ee647..5eacc017ceba34776856939cf76f7b7594386a07 100644
--- a/cmake/flags.cmake
+++ b/cmake/flags.cmake
@@ -157,6 +157,8 @@ if (APPLE)
         # On Mac OS X build fat binaries with x86_64 architectures by default.
         set (CMAKE_OSX_ARCHITECTURES "x86_64" CACHE STRING "Build architectures for OSX" FORCE)
     endif()
+    # On Mac OS X register class specifier is deprecated and will cause warning error on latest clang
+    set (COMMON_FLAGS -Wno-deprecated-register)
 endif(APPLE)
 
 if(LINUX)