diff --git a/ports/tbb/CMakeLists.txt b/ports/tbb/CMakeLists.txt
index 7216e3474aa205..6d41b15550e069 100644
--- a/ports/tbb/CMakeLists.txt
+++ b/ports/tbb/CMakeLists.txt
@@ -7,7 +7,11 @@ include(${CMAKE_CURRENT_BINARY_DIR}/src/cmake/TBBBuild.cmake REQUIRED)
 if(NOT BUILD_SHARED_LIBS)
     set(TBB_STATIC_INCLUDE extra_inc=big_iron.inc)
 endif()
-tbb_build(TBB_ROOT ${CMAKE_CURRENT_BINARY_DIR}/src MAKE_ARGS ${TBB_STATIC_INCLUDE})
+if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
+  set(FORWARD_SDK_ROOT "SDKROOT=${CMAKE_OSX_SYSROOT}")
+endif()
+
+tbb_build(TBB_ROOT ${CMAKE_CURRENT_BINARY_DIR}/src MAKE_ARGS ${TBB_STATIC_INCLUDE} ${FORWARD_SDK_ROOT})
 
 set(SUBDIR ${CMAKE_CURRENT_BINARY_DIR}/tbb_cmake_build/tbb_cmake_build_subdir)
 if(CMAKE_BUILD_TYPE STREQUAL "Release")
diff --git a/ports/tbb/CONTROL b/ports/tbb/CONTROL
index da29e487947f39..a519042618f26b 100644
--- a/ports/tbb/CONTROL
+++ b/ports/tbb/CONTROL
@@ -1,4 +1,4 @@
 Source: tbb
-Version: 2019_U8-1
+Version: 2019_U8-2
 Homepage: https://github.com/01org/tbb
 Description: Intel's Threading Building Blocks.