diff --git a/scripts/macos/build_all.sh b/scripts/macos/build_all.sh
index 59a6f6a..aabbad1 100755
--- a/scripts/macos/build_all.sh
+++ b/scripts/macos/build_all.sh
@@ -17,7 +17,9 @@ mkdir -p $EXTERNAL_MACOS_SOURCE_DIR
 
 ./build_openssl_arm64.sh
 
-mkdir build
+if [ ! -d build ] ; then
+  mkdir build
+fi
 cd build
 cmake ../../../src -DBUILD_FOR_SYSTEM_NAME="macos" && make -j12
 cp -R flutter_libsparkmobile.framework "${PROJECT_ROOT_DIR}/macos/"
diff --git a/scripts/macos/build_openssl_common.sh b/scripts/macos/build_openssl_common.sh
index 07fc2b7..5f5c15f 100755
--- a/scripts/macos/build_openssl_common.sh
+++ b/scripts/macos/build_openssl_common.sh
@@ -73,9 +73,9 @@ build_openssl_compile_x86_64() {
 
 build_openssl_install_common() {
 	DIR=$1
-	mv ${DIR}/include/* $EXTERNAL_MACOS_INCLUDE_DIR
-	mv ${DIR}/libcrypto.a ${EXTERNAL_MACOS_LIB_DIR}/libcrypto.a
-	mv ${DIR}/libssl.a ${EXTERNAL_MACOS_LIB_DIR}/libssl.a
+	cp -R ${DIR}/include/* "${EXTERNAL_MACOS_INCLUDE_DIR}/"
+	cp -R ${DIR}/libcrypto.a ${EXTERNAL_MACOS_LIB_DIR}/libcrypto.a
+	cp -R ${DIR}/libssl.a ${EXTERNAL_MACOS_LIB_DIR}/libssl.a
 }
 
 build_openssl_install_arm64() {