diff --git a/external/external_python_build.cmake b/external/external_python_build.cmake
index 6e78b42..ec5c4ee 100644
--- a/external/external_python_build.cmake
+++ b/external/external_python_build.cmake
@@ -101,6 +101,7 @@ IF(INTERNAL_HEALPY)
            "-DNETCDF4_DIR=${NETCDF_BIN_DIR}"
            "-DPYTHON_LDFLAGS:STRING=${PYTHON_LDFLAGS}"
            "-DPYTHON_LOCAL_SITE_PACKAGE=${PYTHON_LOCAL_SITE_PACKAGE}"
+           "-DSUPPORT_ARCH_NATIVE=${SUPPORT_ARCH_NATIVE}"
            "-DTARGET_PATH=${CMAKE_BINARY_DIR}/ext_build/python" "-P")
 
   ExternalProject_Add(healpy
diff --git a/external/python_build.cmake b/external/python_build.cmake
index b834e9b..f733405 100644
--- a/external/python_build.cmake
+++ b/external/python_build.cmake
@@ -7,6 +7,9 @@ SET(ENV{PYTHONPATH} ${PYTHON_LOCAL_SITE_PACKAGE}:$ENV{PYTHONPATH})
 SET(ENV{CFITSIO_EXT_INC} ${CFITSIO_EXT_INC})
 SET(ENV{CFITSIO_EXT_LIB} ${CFITSIO_EXT_LIB})
 SET(ENV{CFITSIO_EXT_PREFIX} ${CFITSIO_EXT_PREFIX})
+IF (NOT SUPPORT_ARCH_NATIVE)
+  SET(ENV{HEALPY_WITHOUT_NATIVE} 1)
+ENDIF(NOT SUPPORT_ARCH_NATIVE)
 
 SET(PYTHON_BUILD_COMMAND ${PYTHON_EXECUTABLE} setup.py build)
 MESSAGE(STATUS "Running ${PYTHON_BUILD_COMMAND}")