--- a/.bash_completion.d/gssh	Sun Jan 12 20:49:35 2020 +0200
+++ b/.bash_completion.d/gssh	Mon Jan 13 13:25:00 2020 +0200
@@ -1,4 +1,4 @@
-alias gssh='gcloud compute ssh'
+alias gssh='gcloud compute ssh --tunnel-through-iap'
 
 _gssh() {
   local cur=${COMP_WORDS[COMP_CWORD]}