diff --git a/auto.sh b/auto.sh
index 6ccfa8e..23bb91d 100755
--- a/auto.sh
+++ b/auto.sh
@@ -118,7 +118,7 @@ if [ "$CACHE_PURGE" = 1 ]; then BUILD_MODULES="${BUILD_MODULES} --add-module=./l
 
 auto/configure \
 --with-cc-opt="-Wno-stringop-truncation -DTCP_FASTOPEN=23 ${BUILD_BIT}${BUILD_LTO} ${TEMP_OPT} -g -O3 -march=native -fstack-protector-strong -fuse-ld=gold -fuse-linker-plugin --param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wno-strict-aliasing -Wp,-D_FORTIFY_SOURCE=2 -gsplit-dwarf -I./lib/boringssl/include -DNGX_HTTP_HEADERS" \
---with-ld-opt="${BUILD_LD} ${BUILD_LTO} -L./lib/boringssl/build/ssl -L./lib/boringssl/build/crypto" \
+--with-ld-opt="${BUILD_LD} ${BUILD_LTO} -L./lib/boringssl/build/ssl -L./lib/boringssl/build/crypto -lstdc++" \
 --builddir=objs --prefix=${NGX_PREFIX} \
 --conf-path=${NGX_CONF} \
 --pid-path=${NGX_PID} \