diff --git a/packer/provision/basebuild.sh b/packer/provision/basebuild.sh
index 7a3bab7..4428bff 100644
--- a/packer/provision/basebuild.sh
+++ b/packer/provision/basebuild.sh
@@ -248,7 +248,7 @@
     mv /tmp/protoc3/include/* /usr/local/include/
     # fix permissions on files
     chmod -R a+rx /usr/local/bin/*
-    chmod -R a+r /usr/local/include/
+    chmod -R a+rX /usr/local/include/
 
     # give sudo permissions on minikube and protoc to jenkins user
     cat <<EOF >/etc/sudoers.d/88-jenkins-minikube-protoc