diff --git a/b2qt-init-build-env b/b2qt-init-build-env
index 87d05f4..20b3d78 100755
--- a/b2qt-init-build-env
+++ b/b2qt-init-build-env
@@ -165,7 +165,7 @@ mirror() {
   mkdir -p .repo/manifests
   cp ${DIR}/scripts/manifest.xml .repo/manifests/
   MANIFEST="manifest.xml"
-  ${REPO} init ${REPO_URL} -u ${PWD}/.repo/repo -b default -m ${MANIFEST} -g all --mirror
+  ${REPO} init ${REPO_URL} -u ${PWD}/.repo/repo -b default -m ${MANIFEST} -g external --mirror
   ${REPO} sync
 }