diff --git a/ci/test/00_setup_env_mac_host.sh b/ci/test/00_setup_env_mac_host.sh
index 906f51fc1af..314c8b63162 100644
--- a/ci/test/00_setup_env_mac_host.sh
+++ b/ci/test/00_setup_env_mac_host.sh
@@ -9,7 +9,8 @@ export LC_ALL=C.UTF-8
 export HOST=x86_64-apple-darwin18
 export PIP_PACKAGES="zmq"
 export GOAL="install"
-export BITCOIN_CONFIG="--with-gui --enable-reduce-exports --enable-werror --with-boost-process"
+# ELEMENTS: add -fno-stack-check to work around clang bug on macos
+export BITCOIN_CONFIG="--with-gui --enable-reduce-exports --enable-werror --with-boost-process CXXFLAGS=-fno-stack-check"
 export CI_OS_NAME="macos"
 export NO_DEPENDS=1
 export OSX_SDK=""